Science.gov

Sample records for losses

  1. Hearing Loss

    MedlinePlus

    ... version of this page please turn Javascript on. Hearing Loss What is Hearing Loss? Hearing loss is a common problem caused by ... sec Click to watch this video Types of Hearing Loss Hearing loss comes in many forms. It can ...

  2. Mass loss

    NASA Technical Reports Server (NTRS)

    Goldberg, Leo

    1987-01-01

    Observational evidence for mass loss from cool stars is reviewed. Spectra line profiles are used for the derivation of mass-loss rates with the aid of the equation of continuity. This equation implies steady mass loss with spherical symmetry. Data from binary stars, Mira variables, and red giants in globular clusters are examined. Silicate emission is discussed as a useful indicator of mass loss in the middle infrared spectra. The use of thermal millimeter-wave radiation, Very Large Array (VLA) measurement of radio emission, and OH/IR masers are discussed as a tool for mass loss measurement. Evidence for nonsteady mass loss is also reviewed.

  3. Hair Loss

    MedlinePlus

    ... may cause hair loss in women. If your hair loss has occurred gradually with advancing age, FOLLICULAR DEGENERATION may be the cause. Post-pregnancy hormone changes usually reverse themselves without any treatment. While follicular degeneration cannot ...

  4. Hair Loss

    MedlinePlus

    ... Common baldness" usually means male-pattern baldness, or permanent-pattern baldness. It is also called androgenetic alopecia. ... will grow back normally. However, scarring can cause permanent hair loss. Hot oil hair treatments or chemicals ...

  5. Memory loss

    MedlinePlus

    ... usually include asking questions of family members and friends. For this reason, they should come to the appointment. Medical history questions may include: Type of memory loss, such as short-term or long-term ...

  6. Hearing Loss

    MedlinePlus

    ... Devices Can Help? Hearing aids. Hearing aids are electronic, battery-run devices that make sounds louder. There ... to turn up the volume. Cochlear implants. These electronic devices are for people with severe hearing loss. ...

  7. Hair Loss

    MedlinePlus

    ... are stress, a low protein diet, a family history, or poor nutrition. Treatment for hair loss depends on the cause. In some cases, treating the underlying cause will correct the problem. Other treatments include medicines and hair restoration.

  8. Hair loss

    MedlinePlus

    ... that is applied to the scalp to stimulate hair growth. Other medicines, such as hormones, may be prescribed to decrease hair loss and promote hair growth. Drugs such as finasteride and dutasteride can be ...

  9. Hair Loss

    MedlinePlus

    ... psychosocial impact of hair loss have found patients’ self-esteem, body image and self-confidence to be negatively ... 1-2 Known psychosocial complications include depression, low self-esteem, altered self-image, and less frequent and enjoyable ...

  10. Pregnancy loss.

    PubMed

    Robinson, Gail Erlick

    2014-01-01

    Women who lose desired pregnancies by miscarriage, stillbirth, or genetic termination are at risk of suffering from grief, anxiety, guilt and self-blame that may even present in subsequent pregnancies. It is important to find effective means of helping women deal with these losses. The approach to stillbirth has shifted from immediately removing the child from the mother to encouraging the parents to view and hold the baby. This approach has been questioned as possibly causing persistent anxiety and post-traumatic stress disorder. Women who miscarry are currently encouraged to find ways to memorialise the lost fetus. Couples who decide to terminate a pregnancy after discovering a defect may deal not only with sadness but also guilt. Immediate crisis intervention and follow-up care should be available, recognising that individual women may experience different reactions and their specific post-loss needs must be assessed. PMID:24047642

  11. Beam loss

    NASA Astrophysics Data System (ADS)

    VanGinneken, A.; Edwards, D.; Harrison, M.

    1989-04-01

    This paper presents results from simulations of beam losses during the operation of a superconducting accelerator. The calculations use a combination of hadron/electromagnetic cascade plus elastic scattering codes with accelerator tracking routines. These calculations have been used in conjunction with the design of the Fermilab Tevatron. First accelerator geometry is described. The rest of the paper discusses a detailed attempt to simulate a fast extraction cycle, essentially in chronological order. Beginning with an unperturbed beam, the simulation generates proton phase-space distributions incident on the electrostatic septum. These interact either elastically or inelastically with the septum wires, and the products of these interactions are traced through the machine. Where these leave the accelerator, energy deposition levels in the magnets are calculated together with the projected response of the beam-loss monitors in this region. Finally, results of the calculation are compared with experimental data. (AIP)

  12. Rapid weight loss

    MedlinePlus

    ... loss-rapid weight loss; Overweight-rapid weight loss; Obesity-rapid weight loss; Diet-rapid weight loss ... for people who have health problems because of obesity. For these people, losing a lot of weight ...

  13. Memory loss.

    PubMed

    Flicker, Leon A; Ford, Andrew H; Beer, Christopher D; Almeida, Osvaldo P

    2012-02-01

    Most older people with memory loss do not have dementia. Those with mild cognitive impairment are at increased risk of progressing to dementia, but no tests have been shown to enhance the accuracy of assessing this risk. Although no intervention has been convincingly shown to prevent dementia, data from cohort studies and randomised controlled trials are compelling in indicating that physical activity and treatment of hypertension decrease the risk of dementia. There is no evidence that pharmaceutical treatment will benefit people with mild cognitive impairment. In people with Alzheimer's disease, treatment with a cholinesterase inhibitor or memantine (an N-methyl- D-aspartate receptor antagonist) may provide symptomatic relief and enhance quality of life, but does not appear to alter progression of the illness. Non-pharmacological strategies are recommended as first-line treatments for behavioural and psychological symptoms of dementia, which are common in Alzheimer's disease. Atypical antipsychotics have modest benefit in reducing agitation and psychotic symptoms but increase the risk of cardiovascular events. The role of antidepressants in managing depressive symptoms in patients with mild cognitive impairment is uncertain and may increase the risk of delirium and falls. PMID:22304604

  14. Vision Loss, Sudden

    MedlinePlus

    ... of age-related macular degeneration. Spotlight on Aging: Vision Loss in Older People Most commonly, vision loss ... Some Causes and Features of Sudden Loss of Vision Cause Common Features* Tests Sudden loss of vision ...

  15. Hearing Loss in Adults.

    ERIC Educational Resources Information Center

    House, John W.

    1997-01-01

    This article discusses hearing loss in adults. It begins with an explanation of the anatomy of the ear and then explains the three types of hearing loss: conductive hearing loss, sensorineural hearing loss, and mixed conductive-sensorineural hearing loss. Tinnitus, hearing aids, and cochlear implants are also addressed. (CR)

  16. Early Pregnancy Loss

    MedlinePlus

    ... is called early pregnancy loss , miscarriage , or spontaneous abortion . How common is early pregnancy loss? Early pregnancy ... testes that can fertilize a female egg. Spontaneous Abortion: The medical term for early pregnancy loss. Trimester: ...

  17. Living with Hearing Loss

    MedlinePlus

    ... Issues Special Section: Focus on Communication Living with Hearing Loss Past Issues / Fall 2008 Table of Contents For ... Fast Facts There are two main types of hearing loss. Permanent hearing loss (called sensorineural) usually involves damage ...

  18. Living with vision loss

    MedlinePlus

    Diabetes - vision loss; Retinopathy - vision loss; Low vision; Blindness - vision loss ... Low vision is a visual disability. Wearing regular glasses or contacts does not help. People with low vision have ...

  19. Hair loss in women.

    PubMed

    Harfmann, Katya L; Bechtel, Mark A

    2015-03-01

    Hair loss is a common cause of morbidity for many women. As a key member of the woman's health care team, the obstetrician/gynecologist may be the first person to evaluate the complaint of hair loss. Common types of nonscarring hair loss, including female pattern hair loss and telogen effluvium, may be diagnosed and managed by the obstetrician/gynecologist. A systematic approach to diagnosis and management of these common forms of hair loss is presented. PMID:25517757

  20. Turbo code carrier synchronization losses (Radio Losses)

    NASA Technical Reports Server (NTRS)

    Shanibayati, Shervin; Kinman, Peter; Tadjpour, Layla

    2001-01-01

    In this paper the radio loss results for (8920,1/3), (8920,1/6), (1783,1/3) and (1784,1/6) codes are presented. These radio losses were calculated through simulations for a range of data rates. These simulations included both suppressed carrier modulation and residual carrier modulation cases. The radio losses were calculated for a frame error rate of 3 x 10^-4 for (8920,1/3) and (8920,1/6) codes and 3 frame error rate of 6 x 10^-5 for (1764,1/3) and (1784,1/6) codes. The simulations for the residual carrier case were run for loop signal to noise ratios of 13dB, 15dB and 17dB with a loop bandwidth of 10Hz. The simulations for the suppressed carrier case were run for a loop of signal to noise ratio of 17dB. The results of these simulations indicate that the radio losses for turbo codes are low enough to warrant their use in deep space links (maximum of 1dB loss at 17dB loop signal to noise ratio for residual carrier and 1.3dB loss at 17dB loop signal to noise ratio for suppressed carrier at high data rates). Furthermore, these results indicate that by normalizing the radio losses for frame size, loop bandwidth and the loop signal to noise ratio, a single curve could be used for calculating the radio loss for any given data rate at any given loop signal to noise ratio.

  1. Photovoltaic array loss mechanisms

    NASA Technical Reports Server (NTRS)

    Gonzalez, Charles

    1986-01-01

    Loss mechanisms which come into play when solar cell modules are mounted in arrays are identified. Losses can occur either from a reduction in the array electrical performance or with nonoptimal extraction of power from the array. Electrical performance degradation is caused by electrical mismatch, transmission losses from cell surface soiling and steep angle of reflectance, and electrical losses from field wiring resistance and the voltage drop across blocking diodes. The second type of loss, concerned with the operating points of the array, can involve nonoptimal load impedance and limiting the operating envelope of the array to specific ranges of voltage and current. Each of the loss mechanisms are discussed and average energy losses expected from soiling, steep reflectance angles and circuit losses are calculated.

  2. Genetics of Hearing Loss

    MedlinePlus

    ... in Latin America Information For... Media Policy Makers Genetics of Hearing Loss Language: English Español (Spanish) Recommend ... of hearing loss in babies is due to genetic causes. There are also a number of things ...

  3. Genes and Hearing Loss

    MedlinePlus

    ... Meeting Calendar Find an ENT Doctor Near You Genes and Hearing Loss Genes and Hearing Loss Patient ... mutation may only have dystopia canthorum. How Do Genes Work? Genes are a road map for the ...

  4. Weight-loss medications

    MedlinePlus

    ... this page: //medlineplus.gov/ency/patientinstructions/000346.htm Weight-loss medicines To use the sharing features on this page, please enable JavaScript. Several weight-loss medicines are available. Ask your health care provider ...

  5. Weight Loss & Acute Porphyria

    MedlinePlus

    ... Sale You are here Home Diet and Nutrition Weight loss & acute Porphyria Being overweight is a particular problem ... one of these diseases before they enter a weight-loss program. Also, they should not participate in a ...

  6. Living with hearing loss

    MedlinePlus

    ... medlineplus.gov/ency/patientinstructions/000360.htm Living with hearing loss To use the sharing features on this page, please enable JavaScript. If you are living with hearing loss, you know that it takes extra effort to ...

  7. Hearing Loss: Screening Newborns

    MedlinePlus

    ... of this page please turn JavaScript on. Feature: Hearing Loss Screening Newborns Past Issues / Spring 2015 Table of ... of newborns in the U.S. are screened for hearing loss before they leave the hospital. Research improves the ...

  8. Loss and Recovery

    NASA Technical Reports Server (NTRS)

    Schwer, Ken

    2002-01-01

    The author recounts his experiences of the loss of the QuickTOMS (Total Ozone Mapping Spectrometer) spacecraft, for which he was project manager. He draws from the launch failure lessons on leadership, coping with loss and maintaining morale.

  9. Proven Weight Loss Methods

    MedlinePlus

    Fact Sheet Proven Weight Loss Methods What can weight loss do for you? Losing weight can improve your health in a number of ways. It can lower ... at www.hormone.org/Spanish . Proven Weight Loss Methods Fact Sheet www.hormone.org

  10. Hearing loss in space

    NASA Technical Reports Server (NTRS)

    Buckey, J. C. Jr; Musiek, F. E.; Kline-Schoder, R.; Clark, J. C.; Hart, S.; Havelka, J.

    2001-01-01

    BACKGROUND: Temporary and, in some cases, permanent hearing loss has been documented after long-duration spaceflights. METHODS: We examined all existing published data on hearing loss after space missions to characterize the losses. RESULTS: Data from Russian missions suggest that the hearing loss, when it occurs, affects mainly mid to high frequencies and that using hearing protection often might prevent the loss. Several significant questions remain about hearing loss in space. While the hearing loss has been presumed to be noise-induced, no clear link has been established between noise exposure and hearing loss during spaceflight. In one documented case of temporary hearing loss from the Shuttle-Mir program, the pattern of loss was atypical for a noise-induced loss. Continuous noise levels that have been measured on the Mir and previous space stations, while above engineering standards, are not at levels usually associated with hearing loss in ground-based studies (which have usually been limited to 8-10 h exposure periods). Attempts to measure hearing in space using threshold-based audiograms have been unsuccessful in both the American and Russian programs due to noise interference with the measurements. CONCLUSIONS: The existing data highlight the need for reliable monitoring of both hearing and noise in long-duration spaceflight.

  11. Evolution by gene loss.

    PubMed

    Albalat, Ricard; Cañestro, Cristian

    2016-07-01

    The recent increase in genomic data is revealing an unexpected perspective of gene loss as a pervasive source of genetic variation that can cause adaptive phenotypic diversity. This novel perspective of gene loss is raising new fundamental questions. How relevant has gene loss been in the divergence of phyla? How do genes change from being essential to dispensable and finally to being lost? Is gene loss mostly neutral, or can it be an effective way of adaptation? These questions are addressed, and insights are discussed from genomic studies of gene loss in populations and their relevance in evolutionary biology and biomedicine. PMID:27087500

  12. Functional Visual Loss

    PubMed Central

    Bruce, Beau B; Newman, Nancy J

    2010-01-01

    Synopsis Neurologists frequently evaluate patients complaining of vision loss, especially when the patient has been examined by an ophthalmologist who has found no ocular disease. A significant proportion of patients presenting to the neurologist with visual complaints will have non-organic or functional visual loss. While there are examination techniques which can aid in the detection and diagnosis of functional visual loss, the frequency with which functional visual loss occurs concomitantly with organic disease warrants substantial caution on the part of the clinician. Furthermore, purely functional visual loss is never a diagnosis of exclusion, and must be supported by positive findings on examination that demonstrate normal visual function. The relationship of true psychological disease and functional visual loss is unclear and most patients respond well to simple reassurance. PMID:20638000

  13. Drugs and hair loss.

    PubMed

    Patel, Mansi; Harrison, Shannon; Sinclair, Rodney

    2013-01-01

    Hair loss is a common complaint, both in men and women, and use of prescription medications is widespread. When there is a temporal association between the onset of hair loss and commencement of a medication, the medication is commonly thought to have caused the hair loss. However, hair loss and in particular telogen effluvium may occur in response to a number of triggers including fever, hemorrhage, severe illness, stress, and childbirth, and a thorough exclusion of these potential confounders is necessary before the hair loss can be blamed on the medication. Certain medications are known to cause hair loss by a variety of mechanisms including anagen arrest, telogen effluvium, or accentuation of androgenetic alopecia by androgens. PMID:23159177

  14. Energy losses in switches

    SciTech Connect

    Martin, T.H.; Seamen, J.F.; Jobe, D.O.

    1993-07-01

    The authors experiments show energy losses between 2 and 10 times that of the resistive time predictions. The experiments used hydrogen, helium, air, nitrogen, SF{sub 6} polyethylene, and water for the switching dielectric. Previously underestimated switch losses have caused over predicting the accelerator outputs. Accurate estimation of these losses is now necessary for new high-efficiency pulsed power devices where the switching losses constitute the major portion of the total energy loss. They found that the switch energy losses scale as (V{sub peak}I{sub peak}){sup 1.1846}. When using this scaling, the energy losses in any of the tested dielectrics are almost the same. This relationship is valid for several orders of magnitude and suggested a theoretical basis for these results. Currents up to .65 MA, with voltages to 3 MV were applied to various gaps during these experiments. The authors data and the developed theory indicates that the switch power loss continues for a much longer time than the resistive time, with peak power loss generally occurring at peak current in a ranging discharge instead of the early current time. All of the experiments were circuit code modeled after developing a new switch loss version based on the theory. The circuit code predicts switch energy loss and peak currents as a function of time. During analysis of the data they noticed slight constant offsets between the theory and data that depended on the dielectric. They modified the plasma conductivity for each tested dielectric to lessen this offset.

  15. Anthocyanins and weight loss

    Technology Transfer Automated Retrieval System (TEKTRAN)

    This review evaluated the available scientific literature relative to anthocyanins and weight loss and/or obesity with mention of other effects of anthocyanins on pathologies that are closely related to obesity. Although there is considerable popular press concerning anthocyanins and weight loss, th...

  16. CEBAF beam loss accounting

    SciTech Connect

    Ursic, R.; Mahoney, K.; Hovater, C.; Hutton, A.; Sinclair, C.

    1995-12-31

    This paper describes the design and implementation of a beam loss accounting system for the CEBAF electron accelerator. This system samples the beam curent throughout the beam path and measures the beam current accurately. Personnel Safety and Machine Protection systems use this system to turn off the beam when hazardous beam losses occur.

  17. Understanding Rural Population Loss.

    ERIC Educational Resources Information Center

    McGranahan, David A.; Beale, Calvin L.

    2002-01-01

    A quarter of nonmetro counties lost population in the 1990s, but population loss was not related to poverty rate or low educational levels, perhaps because low-skill workers can no longer expect better wages in urban areas. Population loss was related to low population density and remoteness (which decrease access to services), lack of natural…

  18. Hearing Loss and Cytomegalovirus.

    ERIC Educational Resources Information Center

    Strauss, Melvin

    1997-01-01

    Cytomegalovirus is the most common cause of congenital virally induced hearing loss. Maternal infection is most often asymptomatic as is the infection in the newborn. Hearing loss occurs in both clinically apparent infection and in the asymptomatic infection. Current methods of detection, treatment, and prevention and research efforts are…

  19. Hereditary Hearing Loss.

    ERIC Educational Resources Information Center

    Tran, LenhAnh P.; Grundfast, Kenneth M.

    1997-01-01

    This article discusses inheritance patterns in hearing loss, epidemiology, clues to genetic causes, locating genes that cause hereditary disorders, genes related to hearing loss disorders in individuals with Usher syndrome, Waardenburg syndrome, Treacher-Collins syndrome, Branchio-oto-renal and Pendred syndromes, and the significance of finding…

  20. Understanding Grief & Loss.

    ERIC Educational Resources Information Center

    Parker, Judith

    1995-01-01

    Although death is the one certainty in life, death or the grieving process is rarely discussed. Grief includes physical, emotional, spiritual, and psychological reactions to loss, and is not limited to feelings about death. Grief can be the response to loss of home or country, separation or displacement, and changes resulting from new life stages.…

  1. Weight Loss Surgery

    MedlinePlus

    Weight loss surgery helps people with extreme obesity to lose weight. It may be an option if you cannot lose weight through diet and exercise or have serious health problems caused by obesity. There are different types of weight loss surgery. They often limit the ...

  2. Help! It's Hair Loss!

    MedlinePlus

    ... Homework? Here's Help White House Lunch Recipes Help! It's Hair Loss! KidsHealth > For Kids > Help! It's Hair Loss! Print A A A Text Size ... part above the skin, is dead. (That's why it doesn't hurt to get a haircut!) This ...

  3. [Inner Ear Hearing Loss].

    PubMed

    Hesse, G

    2016-06-01

    Hearing loss is one of the most dominant handicaps in modern societies, which additionally very often is not realized or not admitted. About one quarter of the general population suffers from inner ear hearing loss and is therefore restricted in communicational skills. Demographic factors like increasing age play an important role as well as environmental influences and an increasing sound and noise exposure especially in leisure activities. Thus borders between a "classical" presbyacusis - if it ever existed - and envirionmentally induced hearing loss disappear. Today restrictions in hearing ability develop earlier in age but at the same time they are detected and diagnosed earlier. This paper can eventually enlighten the wide field of inner ear hearing loss only fragmentarily; therefore mainly new research, findings and developments are reviewed. The first part discusses new aspects of diagnostics of inner ear hearing loss and different etiologies. PMID:27259171

  4. Acute loss of consciousness.

    PubMed

    Tristán, Bekinschtein; Gleichgerrcht, Ezequiel; Manes, Facundo

    2015-01-01

    Acute loss of consciousness poses a fascinating scenario for theoretical and clinical research. This chapter introduces a simple yet powerful framework to investigate altered states of consciousness. We then explore the different disorders of consciousness that result from acute brain injury, and techniques used in the acute phase to predict clinical outcome in different patient populations in light of models of acute loss of consciousness. We further delve into post-traumatic amnesia as a model for predicting cognitive sequels following acute loss of consciousness. We approach the study of acute loss of consciousness from a theoretical and clinical perspective to conclude that clinicians in acute care centers must incorporate new measurements and techniques besides the classic coma scales in order to assess their patients with loss of consciousness. PMID:25702218

  5. Hearing Loss and Older Adults

    MedlinePlus

    ... Home » Health Info » Hearing, Ear Infections, and Deafness Hearing Loss and Older Adults On this page: What is ... about hearing loss and older adults? What is hearing loss? Hearing loss is a sudden or gradual decrease ...

  6. Occupational hearing loss

    MedlinePlus

    Over time, repeated exposure to loud noise and music can cause hearing loss. Sounds above 80 decibels ( ... Airline ground maintenance Construction Farming Jobs involving loud music or machinery In the U.S., laws regulate the ...

  7. Weight Loss Surgery

    MedlinePlus

    ... loss surgery (especially gastric bypass). Doctors call this "dumping syndrome." It can cause nausea, weakness, sweating, cramping, ... high-sugar or high-fat foods can make dumping worse. Patients need to be careful about what ...

  8. Weight loss - unintentional

    MedlinePlus

    ... of laxatives Other causes such as: Eating disorders, anorexia nervosa that have not been diagnosed yet Diabetes that ... do not know the reason. You have other symptoms along with the weight loss.

  9. Muscle function loss

    MedlinePlus

    ... nervous system that cause muscle function loss include: Amyotrophic lateral sclerosis (ALS, or Lou Gehrig's disease) Bell's palsy Botulism ... of recent progress. Curr Opin Rheum Read More Amyotrophic lateral sclerosis Botulism Broken bone Guillain-Barré syndrome Muscle cramps ...

  10. Iron losses in sweat

    SciTech Connect

    Brune, M.; Magnusson, B.; Persson, H.; Hallberg, L.

    1986-03-01

    The losses of iron in whole body cell-free sweat were determined in eleven healthy men. A new experimental design was used with a very careful cleaning procedure of the skin and repeated consecutive sampling periods of sweat in a sauna. The purpose was to achieve a steady state of sweat iron losses with minimal influence from iron originating from desquamated cells and iron contaminating the skin. A steady state was reached in the third sauna period (second sweat sampling period). Iron loss was directly related to the volume of sweat lost and amounted to 22.5 micrograms iron/l sweat. The findings indicate that iron is a physiological constituent of sweat and derived not only from contamination. Present results imply that variations in the amount of sweat lost will have only a marginal effect on the variation in total body iron losses.

  11. Medications for Memory Loss

    MedlinePlus

    ... memory loss, confusion, and problems with thinking and reasoning) of Alzheimer's disease. As Alzheimer’s progresses, brain cells ... the latest Alzheimer's medications available today, and the clinical trials that may bring us closer to new ...

  12. Blindness and vision loss

    MedlinePlus

    ... eye ( chemical burns or sports injuries) Diabetes Glaucoma Macular degeneration The type of partial vision loss may differ, ... tunnel vision and missing areas of vision With macular degeneration, the side vision is normal but the central ...

  13. Living with vision loss

    MedlinePlus

    ... EH, Katz PR, Malone ML, eds. Practice of Geriatrics . 4th ed. Philadelphia, PA: Elsevier Saunders; 2007:chap ... Shega JW. Vision loss. In: Wachtel TJ, ed. Geriatric Clinical Advisor: Instant diagnosis and treatment . Philadelphia, PA: ...

  14. Living with Hearing Loss

    MedlinePlus

    ... Current Issue Past Issues Special Section: Focus on Communication Living with Hearing Loss Past Issues / Fall 2008 ... the United States suffer some form of disordered communication. The National Institute on Deafness and Other Communication ...

  15. Prizes for weight loss.

    PubMed Central

    Englberger, L.

    1999-01-01

    A programme of weight loss competitions and associated activities in Tonga, intended to combat obesity and the noncommunicable diseases linked to it, has popular support and the potential to effect significant improvements in health. PMID:10063662

  16. Hearing loss and music

    MedlinePlus

    ... iPod or MP3 Player The small ear bud style headphones (inserted into the ears) do not block ... Hearing Loss. National Institute on Deafness and Other Communication Disorders. NIH Pub. No. 14-4233. Updated: March ...

  17. Bone Loss in IBD

    MedlinePlus

    ... DENSITY? Although bone seems as hard as a rock, it’s actually living tissue. Throughout your life, old ... available Bone Loss (.pdf) File: 290 KB 733 Third Avenue, Suite 510, New York, NY 10017 | 800- ...

  18. Hearing loss - infants

    MedlinePlus

    ... to sounds through play. These tests, known as visual response audiometry and play audiometry, can better determine ... the cause of hearing loss. Treatment may include: Speech therapy Learning sign language Cochlear implant (for those ...

  19. Sudden Sensorineural Hearing Loss

    PubMed Central

    Kuhn, Maggie; Heman-Ackah, Selena E.; Shaikh, Jamil A.

    2011-01-01

    Sudden sensorineural hearing loss (SSNHL) is commonly encountered in audiologic and otolaryngologic practice. SSNHL is most commonly defined as sensorineural hearing loss of 30dB or greater over at least three contiguous audiometric frequencies occurring within a 72-hr period. Although the differential for SSNHL is vast, for the majority of patients an etiologic factor is not identified. Treatment for SSNHL of known etiology is directed toward that agent, with poor hearing outcomes characteristic for discoverable etiologies that cause inner ear hair cell loss. Steroid therapy is the current mainstay of treatment of idiopathic SSNHL in the United States. The prognosis for hearing recovery for idiopathic SSNHL is dependent on a number of factors including the severity of hearing loss, age, presence of vertigo, and shape of the audiogram. PMID:21606048

  20. Understanding Grief and Loss

    MedlinePlus

    ... Other common behaviors include restlessness and excessive activity. Religion and spirituality Grief and loss may also cause ... The grieving person’s age and gender The life history of the person who is grieving, including previous ...

  1. Coping with Memory Loss

    MedlinePlus

    ... either using computerized axial tomography (CAT) scans or magnetic resonance imaging (MRI) – can help to identify strokes and tumors, which can sometimes cause memory loss. “The goal is to rule out factors ...

  2. Heat Loss Imagery

    NASA Technical Reports Server (NTRS)

    1981-01-01

    Infrared scanning devices are being used to produce images that show, by color or black-and-white shading differences, which buildings and homes are losing heat to the outdoors, and how much. Heat loss surveys done by Texas Instruments, Daedalus Enterprises, Inc. and other companies have growing acceptance of their services among industrial firms, utilities, local governments, and state and federal agencies interested in promoting heat loss awareness and inspiring corrective actions.

  3. Losses in Ferroelectric Materials

    PubMed Central

    Liu, Gang; Zhang, Shujun; Jiang, Wenhua; Cao, Wenwu

    2015-01-01

    Ferroelectric materials are the best dielectric and piezoelectric materials known today. Since the discovery of barium titanate in the 1940s, lead zirconate titanate ceramics in the 1950s and relaxor-PT single crystals (such as lead magnesium niobate-lead titanate and lead zinc niobate-lead titanate) in the 1980s and 1990s, perovskite ferroelectric materials have been the dominating piezoelectric materials for electromechanical devices, and are widely used in sensors, actuators and ultrasonic transducers. Energy losses (or energy dissipation) in ferroelectrics are one of the most critical issues for high power devices, such as therapeutic ultrasonic transducers, large displacement actuators, SONAR projectors, and high frequency medical imaging transducers. The losses of ferroelectric materials have three distinct types, i.e., elastic, piezoelectric and dielectric losses. People have been investigating the mechanisms of these losses and are trying hard to control and minimize them so as to reduce performance degradation in electromechanical devices. There are impressive progresses made in the past several decades on this topic, but some confusions still exist. Therefore, a systematic review to define related concepts and clear up confusions is urgently in need. With this objective in mind, we provide here a comprehensive review on the energy losses in ferroelectrics, including related mechanisms, characterization techniques and collections of published data on many ferroelectric materials to provide a useful resource for interested scientists and engineers to design electromechanical devices and to gain a global perspective on the complex physical phenomena involved. More importantly, based on the analysis of available information, we proposed a general theoretical model to describe the inherent relationships among elastic, dielectric, piezoelectric and mechanical losses. For multi-domain ferroelectric single crystals and ceramics, intrinsic and extrinsic energy

  4. Fluid-loss control

    SciTech Connect

    Crowe, C.W.; Trittipo, B.L. ); Hutchinson, B.H. )

    1989-08-01

    Acid fluid loss is extremely difficult to control and is generally considered to be the major factor limiting the effectiveness of acid fracturing treatments. Chemical erosion of fracture faces and the development of wormholes are largely responsible for the reduced efficiency of acid fracturing fluids. The creation of acid wormholes increases the effective area from which leakoff occurs, thus reducing the acid hydraulic efficiency. Once wormholes form, most acid fluid loss originates from these wormholes rather than penetrating uniformly into the fracture face. Methods of acid fluid-loss control are discussed and evaluated with an improved fluid-loss test procedure. This procedure uses limestone cores of sufficient length to contain wormhole growth. Studies demonstrate that if wormhole growth can be controlled, acid fluid loss approaches that of nonreactive fluids. An improved acid fracturing fluid having unique rheological characteristics is described. This acid has a low initial viscosity but temporarily becomes extremely viscous during leakoff. This high leakoff viscosity blocks wormhole development and prevents acid entry into natural fractures. After the treatment, spent-acid viscosity declines rapidly to ensure easier cleanup.

  5. Economic losses due to catastrophes

    NASA Astrophysics Data System (ADS)

    Wendel, JoAnna

    2014-04-01

    Worldwide economic loss due to catastrophic events added up to US140 billion in 2013, with insured losses adding up to 45 billion, according to a report by the insurance provider Swiss Re. Though these numbers are down from 196 billion in economic losses and 81 billion in insurance losses in 2012, Swiss Re reports an upward trend in losses.

  6. Sleep Loss and Inflammation

    PubMed Central

    Simpson, Norah S.; Meier-Ewert, Hans K.; Haack, Monika

    2012-01-01

    Controlled, experimental studies on the effects of acute sleep loss in humans have shown that mediators of inflammation are altered by sleep loss. Elevations in these mediators have been found to occur in healthy, rigorously screened individuals undergoing experimental vigils of more than 24 hours, and have also been seen in response to various durations of sleep restricted to between 25 and 50% of a normal 8 hour sleep amount. While these altered profiles represent small changes, such sub-clinical shifts in basal inflammatory cytokines are known to be associated with the future development of metabolic syndrome disease in healthy, asymptomatic individuals. Although the mechanism of this altered inflammatory status in humans undergoing experimental sleep loss is unknown, it is likely that autonomic activation and metabolic changes play key roles. PMID:21112025

  7. Perioperative visual loss.

    PubMed

    Kla, Koffi M; Lee, Lorri A

    2016-03-01

    Perioperative visual loss is an infrequent, devastating complication associated with spine surgery, most commonly from ischemic optic neuropathy. Current research and expert opinion indicate that it is associated with procedures that create elevated venous pressure in the head for prolonged periods of time. The largest case-control study on ischemic optic neuropathy associated with spine surgery found six independent and significant risk factors including male sex, obesity, Wilson frame use, longer operative times, greater blood loss, and a lower colloid to crystalloid ratio in the non-blood fluid administration. The American Society of Anesthesiologists developed a practice advisory for the prevention of this complication. In this setting, it is advisable to avoid significant physiologic and hemodynamic perturbations as much as possible, given the uncertainty of the pathophysiology. Because prevention of this complication cannot be guaranteed, consent for perioperative visual loss should be strongly considered in patients at high risk for this complication. PMID:27036604

  8. Congenital sensorineural hearing loss

    SciTech Connect

    Mafee, M.F.; Selis, J.E.; Yannias, D.A.; Valvassori, G.E.; Pruzansky, S.; Applebaum, E.L.; Capek, V.

    1984-02-01

    The ears of 47 selected patients with congenital sensorineural hearing loss were examined with complex-motion tomography. The patients were divided into 3 general categories: those with a recognized syndrome, those with sensorineural hearing loss unrelated to any known syndrome, and those with microtia. A great variety of inner ear anomalies was detected, but rarely were these characteristic of a particular clinical entity. The most common finding was the Mondini malformation or one of its variants. Isolated dysplasia of the internal auditory canal or the vestibular aqueduct may be responsible for sensorineural hearing loss in some patients. Patients with microtia may also have severe inner ear abnormalities despite the fact that the outer and inner ears develop embryologically from completely separate systems.

  9. Female pattern hair loss.

    PubMed

    Ioannides, Dimitrios; Lazaridou, Elizabeth

    2015-01-01

    Female pattern hair loss, or female pattern androgenetic alopecia, is a nonscarring alopecia with a multi-factorial etiology that mostly affects postmenopausal women and is characterized by a reduction in hair density over the crown and frontal scalp. The clinical picture is characterized by a diffuse rarefaction of scalp hair over the mid-frontal scalp and a more-or-less intact frontal hairline without any signs of inflammation or scarring. Although the disease poses only a cosmetic concern, it is chronic and may have a significant negative psychological impact on the affected person. The aim of treating female pattern hair loss is to reduce hair loss and, to a certain extent, succeed in promoting hair regrowth. Various treatment methods are available, but it remains unclear which are the most effective. Early initiation of treatment and the combination of various modalities seem to be more efficacious than monotherapy. PMID:26370643

  10. Weight Loss Nutritional Supplements

    NASA Astrophysics Data System (ADS)

    Eckerson, Joan M.

    Obesity has reached what may be considered epidemic proportions in the United States, not only for adults but for children. Because of the medical implications and health care costs associated with obesity, as well as the negative social and psychological impacts, many individuals turn to nonprescription nutritional weight loss supplements hoping for a quick fix, and the weight loss industry has responded by offering a variety of products that generates billions of dollars each year in sales. Most nutritional weight loss supplements are purported to work by increasing energy expenditure, modulating carbohydrate or fat metabolism, increasing satiety, inducing diuresis, or blocking fat absorption. To review the literally hundreds of nutritional weight loss supplements available on the market today is well beyond the scope of this chapter. Therefore, several of the most commonly used supplements were selected for critical review, and practical recommendations are provided based on the findings of well controlled, randomized clinical trials that examined their efficacy. In most cases, the nutritional supplements reviewed either elicited no meaningful effect or resulted in changes in body weight and composition that are similar to what occurs through a restricted diet and exercise program. Although there is some evidence to suggest that herbal forms of ephedrine, such as ma huang, combined with caffeine or caffeine and aspirin (i.e., ECA stack) is effective for inducing moderate weight loss in overweight adults, because of the recent ban on ephedra manufacturers must now use ephedra-free ingredients, such as bitter orange, which do not appear to be as effective. The dietary fiber, glucomannan, also appears to hold some promise as a possible treatment for weight loss, but other related forms of dietary fiber, including guar gum and psyllium, are ineffective.

  11. Avoiding personal data loss.

    PubMed

    Bergeron, B P

    1999-01-01

    The potential personal, financial, emotional, and professional costs associated with the loss of data stored in personal computing devices are difficult to appreciate a priori. Because of the potentially devastating consequences of significant data loss, it behooves all clinicians to take personal responsibility in securing their data, whether or not this responsibility is nominally assumed by Information Systems (IS) professionals. There are a variety of straightforward, easily implemented approaches that can be used to help secure personal data, including investigating IS department policies, following proper backing-up procedures, observing reasonable security precautions, keeping digital media current, and establishing a process for executing these approaches. PMID:10725050

  12. Volumetric Muscle Loss.

    PubMed

    Pollot, Beth E; Corona, Benjamin T

    2016-01-01

    Volumetric muscle loss (VML) injury is prevalent in severe extremity trauma and is an emerging focus area among orthopedic and regenerative medicine fields. VML injuries are the result of an abrupt, frank loss of tissue and therefore of different etiology from other standard rodent injury models to include eccentric contraction, ischemia reperfusion, crush, and freeze injury. The current focus of many VML-related research efforts is to regenerate the lost muscle tissue and thereby improve muscle strength. Herein, we describe a VML model in the anterior compartment of the hindlimb that is permissible to repeated neuromuscular strength assessments and is validated in mouse, rat, and pig. PMID:27492162

  13. Summer Reading Loss

    ERIC Educational Resources Information Center

    Mraz, Maryann; Rasinski, Timothy V.

    2007-01-01

    Summer reading loss is a documented reality for many students. It is often of greatest concern for those who are already at risk, who typically have limited access to reading materials at home and whose parents or caregivers may be reluctant or unsure of how to help. By raising parents' awareness of the importance of supporting their children's…

  14. Cascadia's Staggering Losses

    NASA Astrophysics Data System (ADS)

    Wang, Y.; Vogt, B.

    2001-05-01

    Recent worldwide earthquakes have resulted in staggering losses. The Northridge, California; Kobe, Japan; Loma Prieta, California; Izmit, Turkey; Chi-Chi, Taiwan; and Bhuj, India earthquakes, which range from magnitudes 6.7 to 7.7, have all occurred near populated areas. These earthquakes have resulted in estimated losses between \\3 and \\300 billion, with tens to tens of thousands of fatalities. Subduction zones are capable of producing the largest earthquakes. The 1939 M7.8 Chilean, the 1960 M9.5 Chilean, the 1964 M9.2 Alaskan, the 1970 M7.8 Peruvian, the 1985 M7.9 Mexico City and the 2001 M7.7 Bhuj earthquakes are damaging subduction zone quakes. The Cascadia fault zone poses a tremendous hazard in the Pacific Northwest due to the ground shaking and tsunami inundation hazards combined with the population. To address the Cascadia subduction zone threat, the Oregon Department of Geology and Mineral Industries conducted a preliminary statewide loss study. The 1998 Oregon study incorporated a M8.5 quake, the influence of near surface soil effects and default building, social and economic data available in FEMA's HAZUS97 software. Direct financial losses are projected at over \\$12 billion. Casualties are estimated at about 13,000. Over 5,000 of the casualties are estimated to result in fatalities from hazards relating to tsunamis and unreinforced masonry buildings.

  15. Deafness and Hearing Loss.

    ERIC Educational Resources Information Center

    National Information Center for Children and Youth with Disabilities, Washington, DC.

    This brief overview provides information on the definition, incidence, and characteristics of children with hearing impairments and deafness. The federal definitions of hearing impairment and deafness are provided. The different types of hearing loss are noted, including: (1) conductive (caused by diseases or obstructions in the outer or middle…

  16. Autism and Hearing Loss.

    ERIC Educational Resources Information Center

    Rosenhall, Ulf; Nordin, Viviann; Sandstrom, Mikael; Ahlsen, Gunilla; Gillberg, Christopher

    1999-01-01

    Children and adolescents (N=199) with autistic disorder were audiologically evaluated. Mild to moderate hearing loss was diagnosed in 7.9 percent, with deafness diagnosed in 3.5 percent of all cases, which represented a prevalence considerably above that in the general population and comparable to the prevalence found in populations with mental…

  17. Pedagogical Reflections on Loss

    ERIC Educational Resources Information Center

    Stearns, Clio

    2013-01-01

    This article examines the idea of loss in relation to elementary education. The goal is to show the importance of teachers attending to their students' individual experience and, in particular, to the ways schools can make children feel lost or found. The article relies primarily on classroom narratives, focusing heavily on stories about one…

  18. Loss and damage

    NASA Astrophysics Data System (ADS)

    Huq, Saleemul; Roberts, Erin; Fenton, Adrian

    2013-11-01

    Loss and damage is a relative newcomer to the climate change agenda. It has the potential to reinvigorate existing mitigation and adaptation efforts, but this will ultimately require leadership from developed countries and enhanced understanding of several key issues, such as limits to adaptation.

  19. Hearing Loss in Children: Types of Hearing Loss

    MedlinePlus

    ... the ear to the brain so that our brain pathways are part of our hearing. There are four types of hearing loss: Conductive Hearing Loss Hearing loss caused by something that stops sounds from getting through the outer or middle ear. This type of hearing loss can often ...

  20. Adolescent pregnancy and loss.

    PubMed

    Bright, P D

    1987-01-01

    Adolescents have a perinatal and infant mortality rate two times as high as that found in the adult population, and yet few have investigated the characteristics of adolescent grief over pregnancy loss. The mourning response of adolescents appears to differ from that of older females: adult signs of depression are either nonexistent or fleeting. Adolescents who are having difficulties moving away from dependence on their mothers may become pregnant in order to demonstrate a semblance of adulthood and also to circumvent the depression common to this phase of development. When reproductive loss occurs, two outcomes often are seen: mother-daughter conflict concerning independence accelerates, which, in turn, provides the impetus for re-impregnation soon afterward. Since pregnancy interferes with mourning, the adolescent may not be able to bond with subsequent children, thus continuing the mother-child conflict into another generation. PMID:3649521

  1. Individual Hearing Loss

    PubMed Central

    Dau, Torsten; Christensen-Dalsgaard, Jakob; Tranebjærg, Lisbeth; Andersen, Ture; Poulsen, Torben

    2016-01-01

    It is well-established that hearing loss does not only lead to a reduction of hearing sensitivity. Large individual differences are typically observed among listeners with hearing impairment in a wide range of suprathreshold auditory measures. In many cases, audiometric thresholds cannot fully account for such individual differences, which make it challenging to find adequate compensation strategies in hearing devices. How to characterize, model, and compensate for individual hearing loss were the main topics of the fifth International Symposium on Auditory and Audiological Research (ISAAR), held in Nyborg, Denmark, in August 2015. The following collection of papers results from some of the work that was presented and discussed at the symposium. PMID:27566802

  2. Diagnosis of Hearing Loss.

    ERIC Educational Resources Information Center

    World Federation of the Deaf, Rome (Italy).

    Seven conference papers from the U.S.S.R., India, Poland, Czechoslovakia, and Yugoslavia consider the diagnosis of hearing loss. They are "Examination of Hearing of Children, Aged from 2 to 5, by Means of Playing Audiometry" by A. P. Kossacheva, "A Study of the Etiology and Pattern of Deafness in a School for the Deaf in Madras, South India" by Y.…

  3. Rotation and Mass Loss

    NASA Astrophysics Data System (ADS)

    Owocki, S.

    2008-06-01

    Stellar rotation can play an important role in structuring and enhancing the mass loss from massive stars. Initial 1D models focussed on the expected centrifugal enhancement of the line-driven mass flux from the equator of a rotating star, but the review here emphasizes that the loss of centrifugal support away from the stellar surface actually limits the steady mass flux to just the point-star CAK value, with models near critical rotation characterized by a slow, subcritical acceleration. Recent suggestions that such slow outflows might have high enough density to explain disks in Be or B[e] stars are examined in the context of 2D simulations of the ``Wind Compressed Disk'' (WCD) paradigm, together with a review of the tendency for poleward components of the line-driving force to inhibit WCD formation. When one accounts for equatorial gravity darkening, the net tendency is in fact for the relatively bright regions at higher latitude to drive a faster, denser ``bipolar'' outflow. I discuss the potential relevance for the bipolar form of nebulae from LBV stars like η Carinae, but emphasize that, since the large mass loss associated with the eruption of eta Carinae's Homunculus would heavily saturate line-driving, explaining its bipolar form requires development of analogous models for continuum-driven mass loss. I conclude with a discussion of how radiation seems inherently ill-suited to supporting or driving a geometrically thin, but optically thick disk or disk outflow. The disks inferred in Be and B[e] stars may instead be centrifugally ejected, with radiation inducing an ablation flow from the disk surface, and thus perhaps playing a greater role in destroying (rather than creating) an orbiting, circumstellar disk.

  4. Noise and Hearing Loss Prevention

    MedlinePlus

    ... SafeInSound Noise and Hearing Loss on the NIOSH Science Blog Smartphone Sound Apps Music-induced Hearing Loss ... SafeInSound Noise and Hearing Loss on the NIOSH Science Blog Smartphone Sound Apps Music-induced Hearing Loss ...

  5. Hair loss in children.

    PubMed

    Alves, Rubina; Grimalt, Ramon

    2015-01-01

    Hair diseases represent frequent complaints in dermatology clinics, and they can be caused by a number of conditions reflected by specific diagnoses. Hair loss is not uncommon in the pediatric group, but its patterns in this group are different from those seen in adults. Additionally, in children, these disorders can have psychological effects that can interfere with growth and development. Hair is easily accessible for examination, and dermatologists are in the enviable situation of being able to study many disorders using simple diagnostic techniques. To fully understand hair loss during childhood, a basic comprehension of normal hair growth is necessary. Knowledge of the normal range and variation observed in the hair of children further enhances its assessment. This chapter has been written in an attempt to facilitate the diagnostic process during daily practice by helping to distinguish between acquired and congenital hair diseases. It can sometimes be difficult to differentiate between abnormality and normality in neonatal hair aspects. Management of hair disorders can be quite a daunting task for the attending physician and mandates a holistic approach to the patient. Some hair disturbances have no effective treatment, and for others, no single treatment is 100% successful. If no effective treatment for a hair loss disease exists, a cosmetic approach is important. PMID:26370644

  6. Loss-Aversion or Loss-Attention: The Impact of Losses on Cognitive Performance

    ERIC Educational Resources Information Center

    Yechiam, Eldad; Hochman, Guy

    2013-01-01

    Losses were found to improve cognitive performance, and this has been commonly explained by increased weighting of losses compared to gains (i.e., loss aversion). We examine whether effects of losses on performance could be modulated by two alternative processes: an attentional effect leading to increased sensitivity to task incentives; and a…

  7. Hair loss in women.

    PubMed

    Camacho-Martínez, Francisco M

    2009-03-01

    Female pattern hair loss (FPHL) is a clinical problem that is becoming more common in women. Female alopecia with androgen increase is called female androgenetic alopecia (FAGA) and without androgen increase is called female pattern hair loss. The clinical picture of typical FAGA begins with a specific "diffuse loss of hair from the parietal or frontovertical areas with an intact frontal hairline." Ludwig called this process "rarefaction." In Ludwig's classification of hair loss in women, progressive type of FAGA, 3 patterns were described: grade I or minimal, grade II or moderate, and grade III or severe. Ludwig also described female androgenetic alopecia with male pattern (FAGA.M) that should be subclassified according to Ebling's or Hamilton-Norwood's classification. FAGA.M may be present in 4 conditions: persistent adrenarche syndrome, alopecia caused by an adrenal or an ovarian tumor, posthysterectomy, and as an involutive alopecia. A more recent classification (Olsen's classification of FPHL) proposes 2 types: early- and late-onset with or without excess of androgens in each. The diagnosis of FPHL is made by clinical history, clinical examination, wash test, dermoscopy, trichoscan, trichograms and laboratory test, especially androgenic determinations. Topical treatment of FPHL is with minoxidil, 2-5% twice daily. When FPHL is associated with high levels of androgens, systemic antiandrogenic therapy is needed. Persistent adrenarche syndrome (adrenal SAHA) and alopecia of adrenal hyperandrogenism is treated with adrenal suppression and antiandrogens. Adrenal suppression is achieved with glucocorticosteroids. Antiandrogens therapy includes cyproterone acetate, drospirenone, spironolactone, flutamide, and finasteride. Excess release of ovarian androgens (ovarian SAHA) and alopecia of ovarian hyperandrogenism is treated with ovarian suppression and antiandrogens. Ovarian suppression includes the use of contraceptives containing an estrogen, ethinylestradiol, and a

  8. Female pattern hair loss.

    PubMed

    Singal, Archana; Sonthalia, Sidharth; Verma, Prashant

    2013-01-01

    Female pattern hair loss (FPHL) is a common cause of hair loss in women characterized by diffuse reduction in hair density over the crown and frontal scalp with retention of the frontal hairline. Its prevalence increases with advancing age and is associated with significant psychological morbidity. The pathophysiology of FPHL is still not completely understood and seems to be multifactorial. Although androgens have been implicated, the involvement of androgen-independent mechanisms is evident from frequent lack of clinical or biochemical markers of hyperandrogenism in affected women. The role of genetic polymorphisms involving the androgen and estrogen receptors is being increasingly recognized in its causation and predicting treatment response to anti-androgens. There are different clinical patterns and classifications of FPHL, knowledge of which facilitates patient management and research. Chronic telogen effluvium remains as the most important differential diagnosis. Thorough history, clinical examination, and evaluation are essential to confirm diagnosis. Patients with clinical signs of androgen excess require assessment of biochemical parameters and imaging studies. It is prudent to screen the patients for metabolic syndrome and cardiovascular risk factors. The treatment comprises medical and/or surgical modalities. Medical treatment should be initiated early as it effectively arrests hair loss progression rather than stimulating regrowth. Minoxidil continues to be the first line therapy whereas anti-androgens form the second line of treatment. The progressive nature of FPHL mandates long-term treatment for sustained effect. Medical therapy may be supplemented with cosmetic concealment in those desirous of greater hair density. Surgery may be worthwhile in some carefully selected patients. PMID:23974580

  9. Arctic ozone loss

    SciTech Connect

    Zurer, P.S.

    1989-03-06

    Scientists have returned from the first comprehensive probe of the Arctic stratosphere with unexpectedly dire results: The winter atmosphere in the north polar region is loaded with the same destructive chlorine compounds that cause the Antarctic ozone hole. Atmospheric researchers who only a few weeks ago were comforted by the thought that the warmer Northern Hemisphere is strongly protected from the processes that lead to massive losses of ozone during spring in Antarctica now see very little standing in the way of an Arctic ozone hole.

  10. [Progressive hearing loss].

    PubMed

    Reiss, M; Reiss, G

    2000-01-01

    Progressive sensorineural hearing loss (SNHL) is defined as hearing loss of unknown etiology with fairly high-speed progression. Its diagnostic criteria consist of the following: that it is 1) progressive, 2) with bilateral involvement, and 3) of unknown etiology. Due to recent advances in diagnostics, imaging and management, SNHL has gained much interest from otologists in the last few years. They provide new insight into the physiology and pathophysiology of hearing. SNHL which is sudden in onset, fluctuating, and/or progressive complicates medical management, hearing aid selection, and individualized educational planning for a hearing-impaired patient. Existing hypotheses on the etiology of SNHL are judged on experimental, clinical, laboratory and radiological evidence. Cardiovascular and rheologic diseases, hereditary disorders, immunological phenomena, infections, environmental causes like noise, ototoxic drugs and industrial substances and systemic maladies must be included in the diagnostic reflections. Potential concepts of treatment include rheologic medications and corticosteroids. Hearing aids and timely cochlear implant operation are further possible forms of treatment. PMID:10893764

  11. Female Pattern Hair Loss

    PubMed Central

    Herskovitz, Ingrid; Tosti, Antonella

    2013-01-01

    Context: Female pattern hair loss (FPHL) also known as female androgenetic alopecia is a common condition afflicting millions of women that can be cosmetically disrupting. Prompt diagnosis and treatment are essential for obtaining optimal outcome. This review addresses the clinical presentation of female pattern hair loss, its differential diagnosis and treatment modalities. Evidence Acquisition: A) Diffuse thinning of the crown region with preservation of the frontal hairline (Ludwig’s type) B) The “Christmas tree pattern” where the thinning is wider in the frontal scalp giving the alopecic area a triangular shaped figure resembling a christmas tree. C) Thinning associated with bitemporal recession (Hamilton type). Generally, FPHL is not associated with elevated androgens. Less commonly females with FPHL may have other skin or general signs of hyperandrogenism such as hirsutism, acne, irregular menses, infertility, galactorrhea and insulin resistance. The most common endocrinological abnormality associated with FPHL is polycystic ovarian syndrome (PCOS). Results: The most important diseases to consider in the differential diagnosis of FPHL include Chronic Telogen Effluvium (CTE), Permanent Alopecia after Chemotherapy (PAC), Alopecia Areata Incognito (AAI) and Frontal Fibrosing Alopecia (FFA). This review describes criteria for distinguishing these conditions from FPHL. Conclusions: The only approved treatment for FPHL, which is 2% topical Minoxidil, should be applied at the dosage of 1ml twice day for a minimum period of 12 months. This review will discuss off-label alternative modalities of treatment including 5-alfa reductase inhibitors, antiandrogens, estrogens, prostaglandin analogs, lasers, light treatments and hair transplantation. PMID:24719635

  12. Dealing with our losses.

    PubMed

    Mount, B M

    1986-07-01

    The repeated losses experienced by a clinical oncologist may constitute a significant source of personal stress. Studies documenting high stress levels on oncology services and the prevalence among physicians of alcoholism, cirrhosis, suicide, and marital discord lend urgency to the need to examine etiologic factors, clinical manifestations, and strategies for the management of job-related stress. Significant etiologic factors include death as an existential fact emphasizing our finite nature, the cumulative grief associated with repeated unresolved losses, the pressure of a health care system fueled by the medical information explosion, the inability to achieve the idealistic goals embraced by holistic medical care, stresses inherent in working as a "team," and an undermined context of meaning as an outcome of treatment failures. Clinical manifestations of stress are reviewed as an aid to early diagnosis. Strategies useful in the prevention and management of stress include the encouragement of increased awareness of stress in self and colleagues, the clarification of appropriate goals and priorities, encouragement of appropriate limit setting, the mobilization of collaborative input, the clarification of team roles and organizational patterns, the establishment of team support meetings and favorable working conditions, exercise, and the clarification and working through of previously unresolved personal psychodynamic issues. Differences between the work-related stress involved in clinical oncology as compared with hospice care are examined. PMID:3723168

  13. Coping with cancer -- hair loss

    MedlinePlus

    ... gov/ency/patientinstructions/000914.htm Coping with cancer - hair loss To use the sharing features on this ... lose your hair. Why Cancer Treatments can Cause Hair Loss Many chemotherapy drugs attack fast-growing cells. ...

  14. Hair Loss in New Moms

    MedlinePlus

    ... Video library Find a dermatologist Hair loss in new moms Many new moms see noticeable hair loss ... regain normal fullness even earlier. Dermatologists’ tips for new mothers If the excessive hair shedding bothers you, ...

  15. Loss of a child - resources

    MedlinePlus

    Child death - resources; Resources - loss of a child ... The following organizations are good resources for information on the loss of a child: The Compassionate Friends -- www.compassionatefriends.org Bereaved Parents of the USA -- www.bereavedparentsusa. ...

  16. Noise-Induced Hearing Loss

    MedlinePlus

    ... Info » Hearing, Ear Infections, and Deafness Noise-Induced Hearing Loss On this page: What is noise-induced hearing ... additional information about NIHL? What is noise-induced hearing loss? Every day, we experience sound in our environment, ...

  17. Pet Loss: Implications for Counselors.

    ERIC Educational Resources Information Center

    Sharkin, Bruce S.; Bahrick, Audrey S.

    1990-01-01

    Attempts to increase awareness of counselors about topic of pet loss. Discusses how counselors can be actively involved through practice, consultation, and research to help people deal with emotional impact of pet loss. (Author/NB)

  18. Coping with cancer - hair loss

    MedlinePlus

    Alopecia ... after fast-growing cells. While chemo can cause hair loss all over your body, radiation only affects the ... Hair loss usually happens 1 to 3 weeks after the first chemo or radiation treatment. The hair on ...

  19. Mass Loss from Betelgeuse

    NASA Astrophysics Data System (ADS)

    Richards, A. M. S.

    2013-05-01

    Betelgeuse is just starting to produce a wind which is thick enough to form dust. However, the grains seem to coalesce at much greater distances than those in "dust-driven" winds from later-stage AGB and RSG stars. Is the mass loss mechanism different, and how will it evolve? We know a great deal about the kinematics of the more evolved winds, thanks to sub-au imaging using masers, and easily-resolved CO shells, but Betelgeuse is a much fainter target, only resolved with great difficulty (although ALMA will change that). On the other hand, Betelgeuse was the first star other than the Sun to be imaged in detail in the radio as well as optical. Radio studies from the photosphere to the astropause will reveal: How is mass lost from the stellar surface? In what form is this returned to the ISM? These results could even help to answer: How will Betelgeuse evolve in the next few millennia?

  20. 757 Path Loss Measurements

    NASA Technical Reports Server (NTRS)

    Horton, Kent; Huffman, Mitch; Eppic, Brian; White, Harrison

    2005-01-01

    Path Loss Measurements were obtained on three (3) GPS equipped 757 aircraft. Systems measured were Marker Beacon, LOC, VOR, VHF (3), Glide Slope, ATC (2), DME (2), TCAS, and GPS. This data will provide the basis for assessing the EMI (Electromagnetic Interference) safety margins of comm/nav (communication and navigation) systems to portable electronic device emissions. These Portable Electronic Devices (PEDs) include all devices operated in or around the aircraft by crews, passengers, servicing personnel, as well as the general public in the airport terminals. EMI assessment capability is an important step in determining if one system-wide PED EMI policy is appropriate. This data may also be used comparatively with theoretical analysis and computer modeling data sponsored by NASA Langley Research Center and others.

  1. Breast Cancer and Bone Loss

    MedlinePlus

    ... Balance › Breast Cancer and Bone Loss Fact Sheet Breast Cancer and Bone Loss July, 2010 Download PDFs English ... JoAnn Pinkerton, MD What is the link between breast cancer and bone loss? Certain treatments for breast cancer ...

  2. Hypnotherapy in Weight Loss Treatment.

    ERIC Educational Resources Information Center

    Cochrane, Gordon; Friesen, John

    1986-01-01

    Investigated effects of hypnosis as a treatment for weight loss among women. The primary hypothesis that hypnosis is an effective treatment for weight loss was confirmed, but seven concomitant variables and the use of audiotapes were not significant contributors to weight loss. (Author/ABB)

  3. Loss-aversion or loss-attention: the impact of losses on cognitive performance.

    PubMed

    Yechiam, Eldad; Hochman, Guy

    2013-03-01

    Losses were found to improve cognitive performance, and this has been commonly explained by increased weighting of losses compared to gains (i.e., loss aversion). We examine whether effects of losses on performance could be modulated by two alternative processes: an attentional effect leading to increased sensitivity to task incentives; and a contrast-related effect. Empirical data from five studies show that losses improve performance even when the enhanced performance runs counter to the predictions of loss aversion. In Study 1-3 we show that in various settings, when an advantageous option produces large gains and small losses, participants select this alternative at a higher rate than when it does not produce losses. Consistent with the joint influence of attention and contrast-related processes, this effect is smaller when a disadvantageous alternative produces the losses. In Studies 4 and 5 we find a positive effect on performance even with no contrast effects (when a similar loss is added to all alternatives). These findings indicate that both attention and contrast-based processes are implicated in the effect of losses on performance, and that a positive effect of losses on performance is not tantamount to loss aversion. PMID:23334108

  4. Loss mechanisms in polyimide waveguides

    SciTech Connect

    Kowalczyk, T.C.; Kosc, T.; Singer, K.D. ); Cahill, P.A.; Seager, C.H.; Meinhardt, M.B. ); Beuhler, A.J.; Wargowski, D.A. )

    1994-08-15

    Waveguide losses in thin film polyimides using waveguide loss spectroscopy and photothermal deflection spectroscopy as a function of cure cycle and structure were studied. Fluorinated sidegroups on the polyimide backbone lead to decreases in birefringence and absorption. The primary waveguide loss mechanism is absorption, not scattering. Waveguide losses as low as 0.4 dB/cm at 800 nm have been measured. Losses as low as 0.3 dB/cm at 1300 nm can be inferred from the photothermal deflection spectroscopy.

  5. Losses in polycrystalline silicon waveguides

    NASA Astrophysics Data System (ADS)

    Foresi, J. S.; Black, M. R.; Agarwal, A. M.; Kimerling, L. C.

    1996-04-01

    The losses of polycrystalline silicon (polySi) waveguides clad by SiO2 are measured by the cutback technique. We report losses of 34 dB/cm at a wavelength of 1.55 μm in waveguides fabricated from chemical mechanical polished polySi deposited at 625 °C. These losses are two orders of magnitude lower than reported absorption measurements for polySi. Waveguides fabricated from unpolished polySi deposited at 625 °C exhibit losses of 77 dB/cm. We find good agreement between calculated and measured losses due to surface scattering.

  6. Earthquake Loss Estimation Uncertainties

    NASA Astrophysics Data System (ADS)

    Frolova, Nina; Bonnin, Jean; Larionov, Valery; Ugarov, Aleksander

    2013-04-01

    The paper addresses the reliability issues of strong earthquakes loss assessment following strong earthquakes with worldwide Systems' application in emergency mode. Timely and correct action just after an event can result in significant benefits in saving lives. In this case the information about possible damage and expected number of casualties is very critical for taking decision about search, rescue operations and offering humanitarian assistance. Such rough information may be provided by, first of all, global systems, in emergency mode. The experience of earthquakes disasters in different earthquake-prone countries shows that the officials who are in charge of emergency response at national and international levels are often lacking prompt and reliable information on the disaster scope. Uncertainties on the parameters used in the estimation process are numerous and large: knowledge about physical phenomena and uncertainties on the parameters used to describe them; global adequacy of modeling techniques to the actual physical phenomena; actual distribution of population at risk at the very time of the shaking (with respect to immediate threat: buildings or the like); knowledge about the source of shaking, etc. Needless to be a sharp specialist to understand, for example, that the way a given building responds to a given shaking obeys mechanical laws which are poorly known (if not out of the reach of engineers for a large portion of the building stock); if a carefully engineered modern building is approximately predictable, this is far not the case for older buildings which make up the bulk of inhabited buildings. The way population, inside the buildings at the time of shaking, is affected by the physical damage caused to the buildings is not precisely known, by far. The paper analyzes the influence of uncertainties in strong event parameters determination by Alert Seismological Surveys, of simulation models used at all stages from, estimating shaking intensity

  7. Autoimmunity in visual loss.

    PubMed

    Petzold, Axel; Wong, Sui; Plant, Gordon T

    2016-01-01

    There are a number of autoimmune disorders which can affect visual function. There are a very large number of mechanisms in the visual pathway which could potentially be the targets of autoimmune attack. In practice it is the retina and the anterior visual pathway (optic nerve and chiasm) that are recognised as being affected in autoimmune disorders. Multiple Sclerosis is one of the commonest causes of visual loss in young adults because of the frequency of attacks of optic neuritis in that condition, however the basis of the inflammation in Multiple Sclerosis and the confirmation of autoimmunity is lacking. The immune process is known to be highly unusual in that it is not systemic and confined to the CNS compartment. Previously an enigmatic partner to Multiple Sclerosis, Neuromyelitis Optica is now established to be autoimmune and two antibodies - to Aquaporin4 and to Myelin Oligodendrocyte Glycoprotein - have been implicated in the pathogenesis. The term Chronic Relapsing Inflammatory Optic Neuropathy is applied to those cases of optic neuritis which require long term immunosuppression and hence are presumed to be autoimmune but where no autoimmune pathogenesis has been confirmed. Optic neuritis occurring post-infection and post vaccination and conditions such as Systemic Lupus Erythematosus and various vasculitides may cause direct autoimmune attack to visual structures or indirect damage through occlusive vasculopathy. Chronic granulomatous disorders such as Sarcoidosis affect vision commonly by a variety of mechanisms, whether and how these are placed in the autoimmune panoply is unknown. As far as the retina is concerned Cancer Associated Retinopathy and Melanoma Associated Retinopathy are well characterised clinically but a candidate autoantibody (recoverin) is only described in the former disorder. Other, usually monophasic, focal retinal inflammatory disorders (Idiopathic Big Blind Spot Syndrome, Acute Zonal Occult Outer Retinopathy and Acute Macular

  8. Vertigo and hearing loss.

    PubMed

    Newman-Toker, David E; Della Santina, Charles C; Blitz, Ari M

    2016-01-01

    Symptoms referable to disorders affecting the inner ear and vestibulocochlear nerve (eighth cranial nerve) include dizziness, vertigo, tinnitus, and hearing loss, in various combinations. Similar symptoms may occur with involvement of the central nervous system, principally the brainstem and cerebellum, to which the vestibular and auditory systems are connected. Imaging choices should be tailored to patient symptoms and the clinical context. Computed tomography (CT) should be used primarily to assess bony structures. Magnetic resonance imaging (MRI) should be used primarily to assess soft-tissue structures. Vascular imaging by angiography or venography should be obtained when vascular lesions are suspected. No imaging should be obtained in patients with typical presentations of common peripheral vestibular or auditory disorders. In current clinical practice, neuroimaging is often overused, especially CT in the assessment of acute dizziness and vertigo in the emergency department. Despite low sensitivity for ischemic strokes, CT is often used to rule out neurologic causes. When ischemic stroke is the principal concern in acute vestibular presentations, imaging should almost always be by MRI with diffusion-weighted images, rather than CT. In this chapter, we describe recommended strategies for audiovestibular imaging based on patient symptoms and signs. PMID:27430449

  9. [Steroid-responsive sensorineural hearing loss with low tone loss].

    PubMed

    Toriya, R; Yamashita, H; Hisashi, K; Komune, S; Komiyama, S

    1995-11-01

    Five cases of sensorineural hearing loss of sudden onset were reviewed. They were not responsive to administration of ATP and Vit. B12, but very responsive to steroid administration. All the patients were male and showed hearing loss in low frequencies in pure tone audiogram. Administration of steroid recovered hearing impairment immediately. However, cessation of steroid aggravated the recovered hearing. Serological and immunological examinations did not show any abnormal findings on all the patients. It was considered that these five patients had characteristics of both steroid-sensitive and low tone-loss type sensorineural hearing losses. PMID:8566929

  10. Hearing Loss: Diagnosis and Evaluation.

    PubMed

    Zazove, Philip; Atcherson, Samuel R; Moreland, Christopher; McKee, Michael M

    2015-07-01

    Hearing loss is a common disability in the United States, most frequent among men, elderly individuals, and veterans but is increasingly affecting other younger adults. Types of hearing loss include sensorineural, conductive, and mixed. Hearing loss in children often is related to infections, time spent in a neonatal intensive care unit, and genetic etiologies. Presbycusis (ie, age-related hearing loss) is the most common etiology in adults. Adverse effects of untreated hearing loss include isolation, depression, lower income, and higher unemployment. Hearing aid use reduces levels of disability, cognitive impairment, and psychosocial distress while improving quality of life. At least 75% of individuals with hearing loss are not receiving treatment for it. All infants should be screened for hearing loss, as should children and adults with risk factors. The Joint Commission on Infant Hearing Screening has a 1-3-6 goal for screening: identification by age 1 month, confirmation by age 3 months, and intervention by age 6 months. The presence of an ongoing physician-patient relationship increases the likelihood that a patient will admit to having a hearing loss. Adults can be screened using single-question or standardized instrument screens. All patients with suspected hearing loss should undergo audiometry by an audiology subspecialist. PMID:26161523

  11. Aircraft Loss of Control Study

    NASA Technical Reports Server (NTRS)

    Jacobson, Steven R.

    2010-01-01

    Loss of control has become the leading cause of jet fatalities worldwide. Aside from their frequency of occurrence, accidents resulting from loss of aircraft control seize the public s attention by yielding large numbers of fatalities in a single event. In response to the rising threat to aviation safety, NASA's Aviation Safety Program has conducted a study of the loss of control problem. This study gathered four types of information pertaining to loss of control accidents: (1) statistical data; (2) individual accident reports that cite loss of control as a contributing factor; (3) previous meta-analyses of loss of control accidents; and (4) inputs solicited from aircraft manufacturers, air carriers, researchers, and other industry stakeholders. Using these information resources, the study team identified causal factors that were cited in the greatest number of loss of control accidents, and which were emphasized most by industry stakeholders. For each causal factor that was linked to loss of control, the team solicited ideas about what solutions are required and future research efforts that could potentially help avoid their occurrence or mitigate their consequences when they occurred in flight.

  12. Genes and Syndromic Hearing Loss.

    ERIC Educational Resources Information Center

    Keats, Bronya J. B.

    2002-01-01

    This article provides a description of the human genome and patterns of inheritance and discusses genes that are associated with some of the syndromes for which hearing loss is a common finding, including: Waardenburg, Stickler, Jervell and Lange-Neilsen, Usher, Alport, mitochondrial encephalomyopathy, and sensorineural hearing loss. (Contains…

  13. The Stigma of Hearing Loss

    ERIC Educational Resources Information Center

    Wallhagen, Margaret I.

    2010-01-01

    Purpose: To explore dimensions of stigma experienced by older adults with hearing loss and those with whom they frequently communicate to target interventions promoting engagement and positive aging. Design and Methods: This longitudinal qualitative study conducted interviews over 1 year with dyads where one partner had hearing loss. Participants…

  14. Change, Loss, Grief and Communication.

    ERIC Educational Resources Information Center

    Geddes, LaDonna McMurray

    Change may be personal, professional, social, or spiritual; or, all aspects of life may be affected simultaneously. Coping with change requires directing and controlling individual resources. Change reactions can be described as: (1) a sense of loss as the transition is experienced; (2) a need to grieve due to the loss experienced; and (3) a need…

  15. Predictors of successful weight loss

    Technology Transfer Automated Retrieval System (TEKTRAN)

    The identification of variables in the early stages of treatment that are related to successful weight loss provides practitioners with important information. These factors may be assessed to determine the likelihood of future success. Weight loss at the beginning of treatment, depressive symptomato...

  16. [Presbycusis - Age Related Hearing Loss].

    PubMed

    Fischer, N; Weber, B; Riechelmann, H

    2016-07-01

    Presbycusis or age related hearing loss can be defined as a progressive, bilateral and symmetrical sensorineural hearing loss due to age related degeneration of inner ear structures. It can be considered a multifactorial complex disorder with environmental and genetic factors. The molecular, electrophysiological and histological damage at different levels of the inner ear cause a progressive hearing loss, which usually affects the high frequencies of hearing. The resulting poor speech recognition has a negative impact on cognitive, emotional and social function in older adults. Recent investigations revealed an association between hearing impairment and social isolation, anxiety, depression and cognitive decline in elderly. These findings emphasize the importance of diagnosis and treating hearing loss in the elderly population. Hearing aids are the most commonly used devices for treating presbycusis. The technical progress of implantable hearing devices allows an effective hearing rehabilitation even in elderly with severe hearing loss. However, most people with hearing impairments are not treated adequately. PMID:27392191

  17. Trends in global earthquake loss

    NASA Astrophysics Data System (ADS)

    Arnst, Isabel; Wenzel, Friedemann; Daniell, James

    2016-04-01

    Based on the CATDAT damage and loss database we analyse global trends of earthquake losses (in current values) and fatalities for the period between 1900 and 2015 from a statistical perspective. For this time period the data are complete for magnitudes above 6. First, we study the basic statistics of losses and find that losses below 10 bl. US satisfy approximately a power law with an exponent of 1.7 for the cumulative distribution. Higher loss values are modelled with the General Pareto Distribution (GPD). The 'transition' between power law and GPD is determined with the Mean Excess Function. We split the data set into a period of pre 1955 and post 1955 loss data as in those periods the exposure is significantly different due to population growth. The Annual Average Loss (AAL) for direct damage for events below 10 bl. US differs by a factor of 6, whereas the incorporation of the extreme loss events increases the AAL from 25 bl. US/yr to 30 bl. US/yr. Annual Average Deaths (AAD) show little (30%) difference for events below 6.000 fatalities and AAD values of 19.000 and 26.000 deaths per year if extreme values are incorporated. With data on the global Gross Domestic Product (GDP) that reflects the annual expenditures (consumption, investment, government spending) and on capital stock we relate losses to the economic capacity of societies and find that GDP (in real terms) grows much faster than losses so that the latter one play a decreasing role given the growing prosperity of mankind. This reasoning does not necessarily apply on a regional scale. Main conclusions of the analysis are that (a) a correct projection of historic loss values to nowadays US values is critical; (b) extreme value analysis is mandatory; (c) growing exposure is reflected in the AAL and AAD results for the periods pre and post 1955 events; (d) scaling loss values with global GDP data indicates that the relative size - from a global perspective - of losses decreases rapidly over time.

  18. Pediatric Sudden Sensorineural Hearing Loss.

    PubMed

    Kizilay, Ahmet; Koca, Çiğdem Firat

    2016-06-01

    Sudden sensorineural hearing loss is defined as sudden unilateral or bilateral sensorineural hearing loss with at least 30 dB decrease in threshold in 3 contiguous test frequencies occurring over 72 hours or less. It is rare among children. The mechanism of the process and prognosis of the disorder remains unclear. The current incidence of sudden sensorineural hearing loss among pediatric population is unknown. The authors carried out a retrospective chart analysis of patients under 15 years of age from 2004 to 2015, who consulted to the Otolaryngology Head and Neck Surgery Department of Inonu University Medical Faculty. Age, sex, number of affected ear and side, audiometric evaluations, medical follow-up, treatment method, duration of treatment recovery, associated complaints; tinnitus and/or vertigo, presence of mumps disease were recorded for each patient. A 4-frequency pure-tone average (500, 1000, 2000, and 4000 Hz) was calculated for each ear. Complete recovery, defined as some hearing level compared with the nonaffected ear, was observed in 3 patients (21.4 %) and there was no partial hearing recovery. The hearing loss of 11 patient remained unchanged after prednisolone treatment. Two of the 11 patients had bilaterally total sensorineural hearing loss and evaluated as appropriate for cochlear implantation. Sex of patient and laterality of hearing loss were not correlated with hearing recovery. Sensorineural hearing loss among pediatrics has been the issue of otolaryngologists. The incidence, etiology, and treatment methods should be more studied. PMID:27171971

  19. Post-Traumatic Visual Loss

    PubMed Central

    Atkins, Edward J.; Newman, Nancy J.; Biousse, Valérie

    2010-01-01

    Visual loss following head trauma is common, and the diagnosis can be challenging for the neurologist called to perform an emergency room assessment. The approach to the patient with post-traumatic visual loss is complicated by a wide range of potential ocular and brain injuries with varying pathophysiology. In addition to direct injuries of the eye and orbit, traumatic optic neuropathies, carotid cavernous fistulas, and damage to the intracranial visual pathways are classic causes of visual loss after head trauma. This review provides an update on the diagnosis and management of these conditions. PMID:18660739

  20. Loss and damage post Paris

    NASA Astrophysics Data System (ADS)

    Petherick, Anna

    2016-08-01

    The Paris Agreement gave the Warsaw International Mechanism for Loss and Damage a permanent and potentially prominent place in climate negotiations, but beyond that its impact remains wide open for interpretation.

  1. Respiratory weight losses during exercise.

    NASA Technical Reports Server (NTRS)

    Mitchell, J. W.; Nadel, E. R.; Stolwijk, J. A. J.

    1972-01-01

    Evaporative water loss from the respiratory tract was determined over a wide range of exercise. The absolute humidity of the expired air was the same at all levels of exercise and equal to that measured at rest. The rate of respiratory water loss during exercise was found to be 0.019 of the oxygen uptake times (44 minus water vapor pressure). The rate of weight loss during exercise due to CO2-O2 exchange was calculated. For exercise at oxygen consumption rates exceeding 1.5 L/min in a dry environment with a water vapor pressure of 10 mm Hg, the total rate of weight loss via the respiratory tract is on the order of 2-5 g/min.

  2. Age-Related Hearing Loss

    MedlinePlus

    ... hearing loss. Here are the most common ones: Styles of hearing aids Source: NIH/NIDCD Hearing aids ... list of organizations, contact: NIDCD Information Clearinghouse 1 Communication Avenue Bethesda, MD 20892-3456 Toll-free Voice: ( ...

  3. Resounding Facts on Hearing Loss

    ERIC Educational Resources Information Center

    Apfel, Robert E.

    1977-01-01

    Provides a brief description of the physiology of the human ear. The effect of sustained noise levels on hearing loss is discussed, as well as the establishment of maximum noise levels for American industries. (CP)

  4. Pigmentary anomalies and hearing loss.

    PubMed

    Toriello, Helga V

    2011-01-01

    A number of syndromes that include hearing loss in the phenotype also have pigmentary anomalies as a component manifestation. One of the most common of these is Waardenburg syndrome, which includes hypopigmentation and sensorineural hearing loss in the phenotype. There are four types of Waardenburg syndrome, distinguishable from each other by clinical findings. However, there are several other syndromes which include not only hypopigmentation, but also hyperpigmentation in the phenotype. This paper serves as a review of many of these syndromes. PMID:21358185

  5. An energy loss straggling formula

    NASA Astrophysics Data System (ADS)

    Novković, D.; Subotić, K.; Milošević, Z.; Manić, S.; Stojanović, M.

    1994-12-01

    The analytical formulae for straggling widths were obtained solving Symon's equations for the second and third order central moments of the straggling distributions in non-relativistic approximation, enabling prediction of peak widths and asymmetry parameters of charged particle energy loss distributions for thick targets. The respective calculations based on these formulae were found to be in good agreement with experimental values for particle energy losses of light ions up to 70% of the nominal projectile energy value.

  6. Radio Losses for Concatenated Codes

    NASA Astrophysics Data System (ADS)

    Shambayati, S.

    2002-07-01

    The advent of higher powered spacecraft amplifiers and better ground receivers capable of tracking spacecraft carrier signals with narrower loop bandwidths requires better understanding of the carrier tracking loss (radio loss) mechanism of the concatenated codes used for deep-space missions. In this article, we present results of simulations performed for a (7,1/2), Reed-Solomon (255,223), interleaver depth-5 concatenated code in order to shed some light on this issue. Through these simulations, we obtained the performance of this code over an additive white Gaussian noise (AWGN) channel (the baseline performance) in terms of both its frame-error rate (FER) and its bit-error rate at the output of the Reed-Solomon decoder (RS-BER). After obtaining these results, we curve fitted the baseline performance curves for FER and RS-BER and calculated the high-rate radio losses for this code for an FER of 10^(-4) and its corresponding baseline RS-BER of 2.1 x 10^(-6) for a carrier loop signal-to-noise ratio (SNR) of 14.8 dB. This calculation revealed that even though over the AWGN channel the FER value and the RS-BER value correspond to each other (i.e., these values are obtained by the same bit SNR value), the RS-BER value has higher high-rate losses than does the FER value. Furthermore, this calculation contradicted the previous assumption th at at high data rates concatenated codes have the same radio losses as their constituent convolutional codes. Our results showed much higher losses for the FER and the RS-BER (by as much as 2 dB) than for the corresponding baseline BER of the convolutional code. Further simulations were performed to investigate the effects of changes in the data rate on the code's radio losses. It was observed that as the data rate increased the radio losses for both the FER and the RS-BER approached their respective calculated high-rate values. Furthermore, these simulations showed that a simple two-parameter function could model the increase in the

  7. Nutritional factors and hair loss.

    PubMed

    Rushton, D H

    2002-07-01

    The literature reveals what little is known about nutritional factors and hair loss. What we do know emanates from studies in protein-energy malnutrition, starvation, and eating disorders. In otherwise healthy individuals, nutritional factors appear to play a role in subjects with persistent increased hair shedding. Hård, 40 years ago, demonstrated the importance of iron supplements in nonanaemic, iron-deficient women with hair loss. Serum ferritin concentrations provide a good assessment of an individual's iron status. Rushton et al. first published data showing that serum ferritin concentrations were a factor in female hair loss and, 10 years later, Kantor et al. confirmed this association. What level of serum ferritin to employ in subjects with increased hair shedding is yet to be definitively established but 70 micro g/L, with a normal erythrocyte sedimentation rate (< 10 mm/h), is recommended. The role of the essential amino acid, l-lysine in hair loss also appears to be important. Double-blind data confirmed the findings of an open study in women with increased hair shedding, where a significant proportion responded to l-lysine and iron therapy. There is no evidence to support the popular view that low serum zinc concentrations cause hair loss. Excessive intakes of nutritional supplements may actually cause hair loss and are not recommended in the absence of a proven deficiency. While nutritional factors affect the hair directly, one should not forget that they also affect the skin. In the management of subjects with hair loss, eliminating scaling problems is important as is good hair care advice and the need to explain fully the hair cycle. Many individuals reduced their shampooing frequency due to fear of losing more hair but this increases the amount seen in subsequent shampoos fuelling their fear of going bald and adversely affecting their quality of life. PMID:12190640

  8. Occupational Hearing Loss in Korea

    PubMed Central

    2010-01-01

    In this article, current status of noise exposure in workplaces, trend of workers with noise-induced hearing loss (NIHL), and prevalence of NIHL in workers by industry and job category in Korea were reviewed. In addition, trends of research on the audiological effects such as hearing loss from noise and occupational hearing loss from non-noise in Korea were addressed through reports in industrial audiology. Though noise exposure level has improved, noise still shows the highest rate of cases exceeding exposure limit among workplace hazards. NIHL is the most common occupational disease except work-related disease such as musculoskeletal disorders and cerebrovascular diseases, and NIHL prevalence is thought to be much higher than reported in official publications. Noise affecting hearing comes from various sources such as workplaces, military settings, areas with exposure to high noise, and specific noise sources. There is also occupational hearing loss by non-noise including chemicals such as organic solvents and heavy metals, barotrauma, and trauma due to welding spark. Noise affects daily life through audiological effects such as hearing loss and tinnitus, non-audiological physical effects (e.g., cardiovascular), and psychosocial and behavioral effects. Development of systematic and comprehensive hearing conservation programs for lowering the noise level in workplaces and preventing the NIHL, and preparation of technological, administrative system for its settlement at workplace are urgently needed. PMID:21258593

  9. Hearing Loss in Palliative Care

    PubMed Central

    Jain, Nelia; Wallhagen, Margaret L.

    2015-01-01

    Abstract Background: Age-related hearing loss is remarkably common, affecting more than 60% of adults over the age of 75. Moreover, hearing loss has detrimental effects on quality of life and communication, outcomes that are central to palliative care. Despite its high prevalence, there is remarkably little written on the impact of hearing loss in the palliative care literature. Objective: The objective was to emphasize its importance and the need for further study. We use a case as a springboard for discussing what is known and unknown about the epidemiology, presentation, screening methodologies, and treatment strategies for age-related hearing loss in palliative care. Discussion: The case describes a 65-year-old man with acute myelogenous leukemia (AML) that has progressed despite treatment. No concerns are raised about communication challenges during conversations between the palliative care team and the patient in his quiet room. However, in the midst of a family meeting, shortly after discussing prognosis, the patient reports that he cannot hear what anyone is saying. Conclusion: We describe simple methods of screening patients for hearing loss, and suggest that practical approaches should be used universally in patient encounters. These include facing the patient, pitching one's voice low, using a pocket talker, and creating a hearing-friendly environment when planning a family or group meeting. PMID:25867966

  10. Thrombophilia and early pregnancy loss.

    PubMed

    McNamee, Kelly; Dawood, Feroza; Farquharson, Roy G

    2012-02-01

    Early pregnancy loss is the most common pregnancy complication. About 15% of pregnancies result in pregnancy loss and 1% of women experience recurrent miscarriage (more than three consecutive miscarriages). The influence of thrombophilia in pregnancy is a popular research topic in recurrent miscarriage. Both acquired and inherited thrombophilia are associated with a risk of pregnancy failure. Antiphospholipid syndrome is the only thrombophilia known to have a direct adverse effect on pregnancy. Historically, clinical research studying thrombophilia treatment in recurrent miscarriage has been of limited value owing to small participant numbers, poor study design and heterogeneity. The debate on the efficacy of aspirin and heparin has advanced with recently published randomised-controlled trials. Multi-centre collaboration is required to ascertain the effect of thrombophilia on early pregnancy loss and to establish an evidence-based treatment protocol. PMID:22079389

  11. Designer aminoglycosides prevent cochlear hair cell loss and hearing loss

    PubMed Central

    Huth, Markus E.; Han, Kyu-Hee; Sotoudeh, Kayvon; Hsieh, Yi-Ju; Effertz, Thomas; Vu, Andrew A.; Verhoeven, Sarah; Hsieh, Michael H.; Greenhouse, Robert; Cheng, Alan G.; Ricci, Anthony J.

    2015-01-01

    Bacterial infections represent a rapidly growing challenge to human health. Aminoglycosides are widely used broad-spectrum antibiotics, but they inflict permanent hearing loss in up to ~50% of patients by causing selective sensory hair cell loss. Here, we hypothesized that reducing aminoglycoside entry into hair cells via mechanotransducer channels would reduce ototoxicity, and therefore we synthesized 9 aminoglycosides with modifications based on biophysical properties of the hair cell mechanotransducer channel and interactions between aminoglycosides and the bacterial ribosome. Compared with the parent aminoglycoside sisomicin, all 9 derivatives displayed no or reduced ototoxicity, with the lead compound N1MS 17 times less ototoxic and with reduced penetration of hair cell mechanotransducer channels in rat cochlear cultures. Both N1MS and sisomicin suppressed growth of E. coli and K. pneumoniae, with N1MS exhibiting superior activity against extended spectrum β lactamase producers, despite diminished activity against P. aeruginosa and S. aureus. Moreover, systemic sisomicin treatment of mice resulted in 75% to 85% hair cell loss and profound hearing loss, whereas N1MS treatment preserved both hair cells and hearing. Finally, in mice with E. coli–infected bladders, systemic N1MS treatment eliminated bacteria from urinary tract tissues and serially collected urine samples, without compromising auditory and kidney functions. Together, our findings establish N1MS as a nonototoxic aminoglycoside and support targeted modification as a promising approach to generating nonototoxic antibiotics. PMID:25555219

  12. Noise-induced hearing loss.

    PubMed

    McReynolds, Michael C

    2005-01-01

    Noise-induced hearing loss is a major hazard in many workplaces and in society. The National Institute for Occupational Safety and Health estimates that more than 30 million workers (almost 1 in 10) are exposed to unsafe noise levels on the job. Helicopter emergency medical services crews work in an environment in which exposure to aviation noise makes the issue of hearing loss and prevention strategies salient. Applying the Occupational Safety and Health Administration standard for a regulated hearing conservation program through controlling noise exposure will benefit helicopter emergency medical services professionals. PMID:15741953

  13. Iodine losses during Winkler titrations

    NASA Astrophysics Data System (ADS)

    Knapp, George P.; Stalcup, Marvel C.; Stanley, Robert J.

    1991-01-01

    An experiment designed to measure iodine loss during the aliquot version of the Winkler titration for dissolved oxygen in seawater shows that 0.01-0.03 ml l -1 equivalent oxygen is lost at typical oceanic concentrations in the method presently used. A standardization technique, which mimics that employed during the titration of seawater samples, compensates for this iodine loss throughout the oceanic range. This result, contradicting an earlier report by GREEN and CARRITT (1966, Analyst, 91, 207-208), demonstrates that the whole-bottle method of oxygen titration is not to be preferred over the aliquot method.

  14. Genetics of Hearing Loss: Syndromic.

    PubMed

    Koffler, Tal; Ushakov, Kathy; Avraham, Karen B

    2015-12-01

    Hearing loss (HL) is one of the most common birth defects in developed countries and is a diverse pathologic condition with different classifications. One of these is based on the association with other clinical features, defined as syndromic hearing loss (SHL). Determining the cause of the HL in these patients is extremely beneficial as it enables a personalized approach to caring for the individual. Early screening can further aid in optimal rehabilitation for a child's development and growth. The advancement of high-throughput sequencing technology is facilitating rapid and low-cost diagnostics for patients with SHL. PMID:26443487

  15. Non-organic hearing loss.

    PubMed

    Nelson, Sarah C

    2012-12-01

    Annual hearing tests are compulsory in the British Armed Forces. This case report presents a 24-year old soldier who was found to have severe deterioration on her annual audiogram without any significant noise exposure. After two years of specialist audiological investigations she was diagnosed with non-organic hearing loss; further interrogation of her social circumstances suggested potential psychosocial triggers. This diagnosis should be considered early in military primary care in those with objective hearing loss on audiogram where there has been no exposure to significant noise. PMID:23402072

  16. Living productively with sensory loss.

    PubMed

    Kinderknecht, C H; Garner, J D

    1993-01-01

    As the avenues for fully perceiving and experiencing life, our sensory organs are the bridge between Self and the outside world. Of the many disorders affecting the senses of the older woman, those that affect vision and hearing have the greatest potential for disrupting her activities of daily living, and diminishing her quality of life and level of independence. While adapting to and coping successfully with sensory loss may require significant effort and adjustment on the part of the afflicted older woman, strategies designed to maximize the older woman's function, her sense of personal control, and her social support system can mediate the negative effects of the sensory loss. PMID:23077999

  17. Occupational hearing loss in farmers.

    PubMed Central

    Plakke, B L; Dare, E

    1992-01-01

    Studies have shown that there is a great deal of high-frequency sensorineural hearing loss among farmers. The studies have failed, however, to differentiate farmers who have occupational noise exposure only from other potential hearing loss etiologies. This study, through extensive case history information, has isolated a farm noise-exposure group and matched its members by age with persons with no significant noise exposure. Results indicate that farmers exposed only to noise from farming have significantly poorer hearing sensitivity than persons not exposed to noise. PMID:1561302

  18. Supporting your child with weight loss

    MedlinePlus

    ... health care provider can set healthy goals for weight-loss and help with monitoring and support. Getting support ... to get the whole family to join a weight-loss plan, even if weight loss is not the ...

  19. Hearing Loss in Children: Screening and Diagnosis

    MedlinePlus

    ... Form Controls NCBDDD Cancel Submit Search The CDC Hearing Loss in Children Note: Javascript is disabled or is ... message, please visit this page: About CDC.gov . Hearing Loss Homepage Facts Noise-Induced Hearing Loss Genetics of ...

  20. Low-loss nonlinear polaritonics

    SciTech Connect

    Moiseev, Sergey A.; Kamli, Ali A.; Sanders, Barry C.

    2010-03-15

    We propose a large low-loss cross-phase modulation between two coupled surface polaritons propagating through a double electromagnetically induced transparency medium situated close to a negative-index metamaterial. In particular, a mutual {pi} phase shift is attainable between the two pulses at the single-photon level.

  1. Oceanography: Coastal oceanic nitrogen loss

    NASA Astrophysics Data System (ADS)

    Thamdrup, Bo

    2013-03-01

    Oxygen minimum zones crop up along the eastern boundaries of ocean basins in the low latitudes. A survey of the oxygen minimum zone in the eastern South Pacific points to the coastal zone as a hotspot for anammox-driven marine nitrogen loss.

  2. Loss and Transcendence Life Themes.

    ERIC Educational Resources Information Center

    Weenolsen, Patricia

    Psychologists have often observed an underlying pattern or theme in the accounts that individuals give of their lives. To test a humanistic-existential approach to human development, 48 women were interviewed with the Loss and Transcendence (L/T) Life History Form. The L/T Life Theme is expressed in two ways: the expanded version includes the…

  3. Dietary Supplements for Weight Loss

    MedlinePlus

    ... supplements, they won’t be listed on the product label and they could harm you. Weight-loss supplements can be sold without being tested or approved by the U.S. Food and Drug ... can recall that product. Visit this website to view the FDA’s public ...

  4. High Technology and Job Loss.

    ERIC Educational Resources Information Center

    Rumberger, Russell

    Job loss through technological advancement, particularly technologies based on microelectronics, is increasing for all economic sectors in a nation already hard challenged in world and domestic markets for goods and services. But assessing technology's employment impact remains difficult not only because of its direct and indirect effects and…

  5. Vision Loss With Sexual Activity.

    PubMed

    Lee, Michele D; Odel, Jeffrey G; Rudich, Danielle S; Ritch, Robert

    2016-01-01

    A 51-year-old white man presented with multiple episodes of transient painless unilateral vision loss precipitated by sexual intercourse. Examination was significant for closed angles bilaterally. His visual symptoms completely resolved following treatment with laser peripheral iridotomies. PMID:25265010

  6. Noise-induced hearing loss.

    PubMed

    Catlin, F I

    1986-03-01

    Hearing loss affects 30 million people in the United States; of these, 21 million are over the age of 65 years. This disorder may have several causes: heredity, noise, aging, and disease. Hearing loss from noise has been recognized for centuries but was generally ignored until some time after the Industrial Revolution. Hearing loss from occupational exposure to hazardous noise was identified as a compensable disability by the United States courts in 1948 to 1959. Development of noisy jet engines and supersonic aircraft created additional claims for personal and property damage in the 1950s and 1960s. These conditions led to legislation for noise control in the form of the Occupational Safety and Health Act of 1970 and the Noise Control Act of 1972. Protection of the noise-exposed employee was also an objective of the Hearing Conservation Act of 1971. Subsequent studies have confirmed the benefits of periodic hearing tests for workers exposed to hazardous noise and of otologic evaluation as part of the hearing conservation process. Research studies in laboratory animals, using scanning electron microscopical techniques, have demonstrated that damage to the inner ear and organ of hearing can occur even though subjective (conditioned) response to sound stimuli remains unaffected. Some investigators have employed an epidemiologic approach to identify risk factors and to develop profiles to susceptibility to noise-induced hearing loss. The need for joint involvement of workers and employers in the reduction and control of occupational noise hazards is evident. PMID:2938482

  7. Age-related hearing loss

    MedlinePlus

    ... is no known single cause of age-related hearing loss. Most commonly, it is caused by changes in the inner ear that occur as you grow older. Your genes and loud noise (from rock concerts or music headphones) may play a large role. The following ...

  8. Intellectual Disabilities and Hearing Loss

    ERIC Educational Resources Information Center

    Herer, Gilbert R.

    2012-01-01

    Undetected/untreated hearing loss imposes significant limitations upon individuals with intellectual disabilities (ID). It can interfere with cognitive development, impede communicative and social interactions, and limit vocational aspirations. Over the past decade, the hearing of 9961 people with ID was evaluated at Special Olympics sports…

  9. Mass loss of massive stars

    NASA Astrophysics Data System (ADS)

    Martins, F.

    2015-12-01

    In this contribution we review the properties of the winds of massive stars. We focus on OB stars, red supergiants, Luminous Blue Variables (LBVs) and Wolf-Rayet stars. For each type of star, we summarize the main wind properties and we give a brief description of the physical mechanism(s) responsible for mass loss.

  10. Practical management of hair loss.

    PubMed Central

    Shapiro, J.; Wiseman, M.; Lui, H.

    2000-01-01

    OBJECTIVE: To describe an organized diagnostic approach for both nonscarring and scarring alopecias to help family physicians establish an accurate in-office diagnosis. To explain when ancillary laboratory workup is necessary to confirm the diagnosis. QUALITY OF EVIDENCE: Current diagnostic and therapeutic interventions for hair loss are based on randomized controlled studies, uncontrolled studies, and case series. MEDLINE was searched from January 1966 to December 1998 with the MeSH words alopecia, hair, and alopecia areata. Articles were selected on the basis of experimental design, with priority given to the most current large multicentre controlled studies. Overall global evidence for therapeutic intervention for hair loss is quite strong. MAIN MESSAGE: The most common forms of nonscarring alopecias are androgenic alopecia, telogen effluvium, and alopecia areata. Other disorders include trichotillomania, traction alopecia, tinea capitis, and hair shaft abnormalities. Scarring alopecia is caused by trauma, infections, discoid lupus erythematosus, or lichen planus. Key to establishing an accurate diagnosis is a detailed history, including medication use, systemic illnesses, endocrine dysfunction, hair-care practices, and family history. All hair-bearing sites should be examined. A 4-mm punch biopsy of the scalp is useful, particularly to diagnose scarring alopecias. Once a diagnosis has been established, specific therapy can be initiated. CONCLUSIONS: Diagnosis and management of hair loss is an interesting challenge for family physicians. An organized approach to recognizing characteristic differential features of hair loss disorders is key to diagnosis and management. Images Figure 1 Figure 2 Figure 5 Figure 6 PMID:10925761

  11. Noise-induced hearing loss

    SciTech Connect

    Catlin, F.I.

    1986-03-01

    Hearing loss affects 30 million people in the United States; of these, 21 million are over the age of 65 years. This disorder may have several causes: heredity, noise, aging, and disease. Hearing loss from noise has been recognized for centuries but was generally ignored until some time after the Industrial Revolution. Hearing loss from occupational exposure to hazardous noise was identified as a compensable disability by the United States courts in 1948 to 1959. Development of noisy jet engines and supersonic aircraft created additional claims for personal and property damage in the 1950s and 1960s. These conditions led to legislation for noise control in the form of the Occupational Safety and Health Act of 1970 and the Noise Control Act of 1972. Protection of the noise-exposed employee was also an objective of the Hearing Conservation Act of 1971. Subsequent studies have confirmed the benefits of periodic hearing tests for workers exposed to hazardous noise and of otologic evaluation as part of the hearing conservation process. Research studies in laboratory animals, using scanning electron microscopical techniques, have demonstrated that damage to the inner ear and organ of hearing can occur even though subjective (conditioned) response to sound stimuli remains unaffected. Some investigators have employed an epidemiologic approach to identify risk factors and to develop profiles to susceptibility to noise-induced hearing loss. The need for joint involvement of workers and employers in the reduction and control of occupational noise hazards is evident. 19 references.

  12. Themes in Literature and Loss

    ERIC Educational Resources Information Center

    Permenter, Andrea Lee

    2005-01-01

    A fifth-year high school teacher recounts her experiences with her students and her sense of loss after their graduation. She describes her initial apprehensions about getting along with the new group and the way she accepted the new seniors without comparing them with her previous batch.

  13. Does Job Loss Shorten Life?

    ERIC Educational Resources Information Center

    Eliason, Marcus; Storrie, Donald

    2009-01-01

    This paper examines the impact of job loss on overall and cause-specific mortality. Using linked employer-employee data, we identified the workers displaced due to all establishment closures in Sweden in 1987 and 1988. Hence, we have extended the case study approach, which has dominated the plant closure literature. The overall mortality risk…

  14. Vision Loss in Older Adults.

    PubMed

    Pelletier, Allen L; Rojas-Roldan, Ledy; Coffin, Janis

    2016-08-01

    Vision loss affects 37 million Americans older than 50 years and one in four who are older than 80 years. The U.S. Preventive Services Task Force concludes that current evidence is insufficient to assess the balance of benefits and harms of screening for impaired visual acuity in adults older than 65 years. However, family physicians play a critical role in identifying persons who are at risk of vision loss, counseling patients, and referring patients for disease-specific treatment. The conditions that cause most cases of vision loss in older patients are age-related macular degeneration, glaucoma, ocular complications of diabetes mellitus, and age-related cataracts. Vitamin supplements can delay the progression of age-related macular degeneration. Intravitreal injection of a vascular endothelial growth factor inhibitor can preserve vision in the neovascular form of macular degeneration. Medicated eye drops reduce intraocular pressure and can delay the progression of vision loss in patients with glaucoma, but adherence to treatment is poor. Laser trabeculoplasty also lowers intraocular pressure and preserves vision in patients with primary open-angle glaucoma, but long-term studies are needed to identify who is most likely to benefit from surgery. Tight glycemic control in adults with diabetes slows the progression of diabetic retinopathy, but must be balanced against the risks of hypoglycemia and death in older adults. Fenofibrate also slows progression of diabetic retinopathy. Panretinal photocoagulation is the mainstay of treatment for diabetic retinopathy, whereas vascular endothelial growth factor inhibitors slow vision loss resulting from diabetic macular edema. Preoperative testing before cataract surgery does not improve outcomes and is not recommended. PMID:27479624

  15. 26 CFR 1.1244(a)-1 - Loss on small business stock treated as ordinary loss.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 26 Internal Revenue 11 2010-04-01 2010-04-01 true Loss on small business stock treated as ordinary... Losses § 1.1244(a)-1 Loss on small business stock treated as ordinary loss. (a) In general. Subject to...)-1 to 1.1244(e)-1, inclusive, as an ordinary loss). Such a loss shall be allowed as a deduction...

  16. Commercial/Industrial Heat Loss

    NASA Astrophysics Data System (ADS)

    Raugland, Robert C.

    1981-01-01

    Infrared thermography has advanced to the stage where it is feasible for the owners of commercial and industrial buildings to secure an infrared survey to detect and priortize definitive areas of heat loss. The nature of the information required determines the type of infrared equipment to be used. The information obtained from the survey can be recorded on video tape with an audio overlay which is quite definitive and permits easy review by the client. Another area of heat loss is moisture laden roof insulation. An infrared survey can detect with startling accuracy areas of wet insulation. Both of these types of surveys are very compatible with either the mini or maxi audits and are conspicuously useful at the retrofit stages.

  17. Radiation Therapy and Hearing Loss

    SciTech Connect

    Bhandare, Niranjan; Jackson, Andrew; Eisbruch, Avraham; Pan, Charlie C.; Flickinger, John C.; Antonelli, Patrick; Mendenhall, William M.

    2010-03-01

    A review of literature on the development of sensorineural hearing loss after high-dose radiation therapy for head-and-neck tumors and stereotactic radiosurgery or fractionated stereotactic radiotherapy for the treatment of vestibular schwannoma is presented. Because of the small volume of the cochlea a dose-volume analysis is not feasible. Instead, the current literature on the effect of the mean dose received by the cochlea and other treatment- and patient-related factors on outcome are evaluated. Based on the data, a specific threshold dose to cochlea for sensorineural hearing loss cannot be determined; therefore, dose-prescription limits are suggested. A standard for evaluating radiation therapy-associated ototoxicity as well as a detailed approach for scoring toxicity is presented.

  18. Energy loss in general relativity

    SciTech Connect

    Cooperstock, F.I.; Lim, P.H.

    1987-07-15

    Implicit assumptions regarding continuity in energy-loss calculations in general relativity are examined. The Arnowitt-Deser-Misner energy integral is treated in a new manner as a universal vehicle for energy loss. Two explicit examples are given: the electric dipole radiation flux is computed using general relativity as well as the gravitational-radiation flux from a linear mass quadrupole oscillator. In this approach, the latter is seen as a nonlinear problem in the sense that the lower-order metric serves as a source for the required order metric as computed within the wave front. Logarithmic terms which threaten to induce divergences, as has been found in other works, are averted by functions of integration which are required to sustain the gauge conditions and finally yield the usual fluxes.

  19. Energy losses during cooking processes

    SciTech Connect

    Thapar, A.; Engira, R.M.; Sohal, J.S.

    1983-12-01

    A major chunk of the thermal energy of the cooking fuel is wasted due to incomplete consumption, unfunctional design of cooking stoves and utensils. Several studies and their findings which are reported in the present paper pertain to: determination of minimum fuel consumption required for cooking of selected dishes under controlled and normal conditions; analysis of relative amounts of heat loss through different techniques during cooking under normal conditions; evaluation of effectiveness of different energy saving techniques with regard to cooking vessel.

  20. Dynamic loss properties of wood

    SciTech Connect

    Wert, C.A.; Weller, M.; Caulfield, D.

    1984-11-01

    Internal friction and dielectric loss measurements have been made on whole wood, on cellulose, and on lignin. A prominent ..beta.. peak is seen at 200 K for frequencies around 1 Hz. This peak shifts to lower temperatures (near 160 K) when wood is heated to 475 K. We propose that this shift signifies molecular changes characteristic of the first stages of coalification of wood and lignin. Additional comparisons are made with the macromolecular structure of amber, oil shale, and synthetic polymers.

  1. Dynamic loss properties of wood

    SciTech Connect

    Wert, C.A.; Weller, M.; Caulfield, D.

    1984-11-01

    Internal friction and dielectric loss measurements have been made on wood, on cellulose, and on lignin. A prominent ..beta.. peak is seen at 200 K for frequencies around 1 Hz. This peak shifts to lower temperatures (near 160 K) when wood is heated to 475 K. We propose that this shift signifies molecular changes characteristic of the first stages of coalification of wood and lignin. Additional comparisons are made with the macromolecular structure of amber, oil shale, and synthetic polymers.

  2. 7 CFR 1437.301 - Value loss.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... 7 Agriculture 10 2012-01-01 2012-01-01 false Value loss. 1437.301 Section 1437.301 Agriculture... Coverage Using Value § 1437.301 Value loss. (a) Special provisions are required to assess losses and.... Assistance for these commodities is calculated based on the loss of value at the time of disaster. The...

  3. 7 CFR 1437.301 - Value loss.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... 7 Agriculture 10 2010-01-01 2010-01-01 false Value loss. 1437.301 Section 1437.301 Agriculture... Coverage Using Value § 1437.301 Value loss. (a) Special provisions are required to assess losses and.... Assistance for these commodities is calculated based on the loss of value at the time of disaster. The...

  4. 7 CFR 1437.301 - Value loss.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... 7 Agriculture 10 2013-01-01 2013-01-01 false Value loss. 1437.301 Section 1437.301 Agriculture... Coverage Using Value § 1437.301 Value loss. (a) Special provisions are required to assess losses and.... Assistance for these commodities is calculated based on the loss of value at the time of disaster. The...

  5. 7 CFR 1437.301 - Value loss.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... 7 Agriculture 10 2011-01-01 2011-01-01 false Value loss. 1437.301 Section 1437.301 Agriculture... Coverage Using Value § 1437.301 Value loss. (a) Special provisions are required to assess losses and.... Assistance for these commodities is calculated based on the loss of value at the time of disaster. The...

  6. 7 CFR 1437.301 - Value loss.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... 7 Agriculture 10 2014-01-01 2014-01-01 false Value loss. 1437.301 Section 1437.301 Agriculture... Coverage Using Value § 1437.301 Value loss. (a) Special provisions are required to assess losses and.... Assistance for these commodities is calculated based on the loss of value at the time of disaster. The...

  7. 10 Ways to Identify Hearing Loss

    MedlinePlus

    ... of this page please turn JavaScript on. Feature: Hearing Loss 10 Ways to Identify Hearing Loss Past Issues / Spring 2015 Table of Contents If ... gov Internet: www.nidcd.nih.gov Read More "Hearing Loss" Articles Managing Hearing Loss / Symptoms, Devices, Prevention & Research / ...

  8. Counselor Loss: Terminating the Helped Client.

    ERIC Educational Resources Information Center

    Miller, Mark J.

    1981-01-01

    Discusses counselor feelings of loss due to client departure from therapy. Describes components of loss within a five-stage model including denial, anger, bargaining, depression, and acceptance. Outlines strategies for coping with counselor loss. Suggests feelings of loss are natural. (RC)

  9. Coping with Your Loss and Grief.

    ERIC Educational Resources Information Center

    Oregon State Univ., Corvallis. Cooperative Extension Service.

    This guide offers advice to help people cope with a variety of losses, including losses associated with divorce, retirement, relocation, disability, or illness, and the loss of a pet, financial security, independence, or control and decision making. It discusses what one can expect when one suffers a loss and how to handle grief. Common reactions…

  10. Hearing loss in shipyard employees

    PubMed Central

    Alexopoulos, Evangelos C.; Tsouvaltzidou, Thomaella

    2015-01-01

    Background: Noise-induced hearing loss (NIHL) is one of the most prevalent occupational illnesses, with a higher incidence in the heavy industry. Objectives of the Study: The aim of this study is to investigate the prevalence of NIHL in Greece and explore its correlations with other job and individual-related factors. Materials and Methods: Questionnaires were administered, and audiograms were conducted to 757 employees of a shipyard company in Greece, both white- and blue-collar, during the period 2006–2009. A modification of the 1979' equation of the American Academy of Otolaryngology was used to calculate hearing loss. Statistical analysis was conducted by means of the SPSS v. 17. Results: A 27.1% of the employees were hearing handicap. Hearing loss was correlated with age, past medical history of ear disease (Meniere's disease, acoustic neuroma, otosclerosis) or injury, hyperlipidemia, job title and level of education. A few questions on subjective hearing ability and symptoms showed strong discriminatory power of hearing pathology. Conclusions: The results of this study emphasize the burden of disease in the shipyard industry, and the need for continuous monitoring, implementation of preventive measures and hearing conservation programs. PMID:26023266

  11. Transmission loss in manatee habitats.

    PubMed

    Miksis-Olds, Jennifer L; Miller, James H

    2006-10-01

    The Florida manatee is regularly exposed to high volumes of vessel traffic and other human-related noise because of its coastal distribution. Quantifying specific aspects of the manatee's acoustic environment will allow for a better understanding of how these animals respond to both natural and human-induced changes in their environment. Transmission loss measurements were made in 24 sampling sites that were chosen based on the frequency of manatee presence. The Monterey-Miami Parabolic Equation model was used to relate environmental parameters to transmission loss in two extremely shallow water environments: seagrass beds and dredged habitats. Model accuracy was verified by field tests at all modeled sites. Results indicated that high-use grassbeds have higher levels of transmission loss for frequencies above 2 kHz compared to low-use sites of equal food species composition and density. This also happens to be the range of most efficient sound propagation inside the grassbed habitat and includes the dominant frequencies of manatee vocalizations. The acoustic environment may play a more important role in manatee grassbed selection than seagrass coverage or species composition, as linear regression analysis showed no significant correlation between usage and either total grass coverage, individual species coverage, or aerial pattern. PMID:17069327

  12. Relationship Between Hair Cell Loss and Hearing Loss in Fishes.

    PubMed

    Smith, Michael E

    2016-01-01

    Exposure to intense sound or ototoxic chemicals can damage the auditory hair cells of vertebrates, resulting in hearing loss. Although the relationship between such hair cell damage and auditory function is fairly established for terrestrial vertebrates, there are limited data available to understand this relationship in fishes. Although investigators have measured either the morphological damage of the inner ear or the functional deficits in the hearing of fishes, very few have directly measured both in an attempt to find a relationship between the two. Those studies that have examined both auditory hair cell damage in the inner ear and the resulting hearing loss in fishes are reviewed here. In general, there is a significant linear relationship between the number of hair cells lost and the severity of hearing threshold shifts, although this varies between species and different hair cell-damaging stimuli. After trauma to the fish ear, auditory hair cells are able to regenerate to control level densities. With this regeneration also comes a restoration of hearing. Thus there is also a significant relationship between hair cell recovery and hearing recovery in fishes. PMID:26611069

  13. Vision loss and hearing loss in painting and musical composition.

    PubMed

    Marmor, Michael F

    2014-07-01

    This article considers the impact of vision and hearing loss on great painters and musical composers. The visual work of Mary Cassatt, Georgia O'Keeffe, Edgar Degas, and Claude Monet all showed alterations as their vision failed. In contrast, Gabriel Fauré, Bedřich Smetana, and Ludwig von Beethoven wrote many of their best compositions while totally deaf, and Georg Friedrich Handel and Frederick Delius struggled to compose late in life when they lost their vision (although their hearing remained excellent). There are 2 major distinctions between the role of vision and hearing for these artistic disciplines. First, there is a surrogate means of "hearing" music, through the musical score, which allows composers to write and edit music while totally deaf. The greatest problem with deafness for a skilled composer is interference from internal noise (tinnitus). There is no surrogate for vision to allow a painter to work when the subject is a blur or the colors on the canvas cannot be distinguished. Second, although the appreciation of art is visual and that of music is auditory, the transcription of both art and musical composition is visual. Thus, visual loss does pose a problem for a composer accustomed to working with good sight, because it disrupts habitual methods of writing and editing music. PMID:24565744

  14. Loss of Endometrial Plasticity in Recurrent Pregnancy Loss.

    PubMed

    Lucas, Emma S; Dyer, Nigel P; Murakami, Keisuke; Lee, Yie Hou; Chan, Yi-Wah; Grimaldi, Giulia; Muter, Joanne; Brighton, Paul J; Moore, Jonathan D; Patel, Gnyaneshwari; Chan, Jerry K Y; Takeda, Satoru; Lam, Eric W-F; Quenby, Siobhan; Ott, Sascha; Brosens, Jan J

    2016-02-01

    Menstruation drives cyclic activation of endometrial progenitor cells, tissue regeneration, and maturation of stromal cells, which differentiate into specialized decidual cells prior to and during pregnancy. Aberrant responsiveness of human endometrial stromal cells (HESCs) to deciduogenic cues is strongly associated with recurrent pregnancy loss (RPL), suggesting a defect in cellular maturation. MeDIP-seq analysis of HESCs did not reveal gross perturbations in CpG methylation in RPL cultures, although quantitative differences were observed in or near genes that are frequently deregulated in vivo. However, RPL was associated with a marked reduction in methylation of defined CA-rich motifs located throughout the genome but enriched near telomeres. Non-CpG methylation is a hallmark of cellular multipotency. Congruently, we demonstrate that RPL is associated with a deficiency in endometrial clonogenic cell populations. Loss of epigenetic stemness features also correlated with intragenic CpG hypomethylation and reduced expression of HMGB2, coding high mobility group protein 2. We show that knockdown of this sequence-independent chromatin protein in HESCs promotes senescence and impairs decidualization, exemplified by blunted time-dependent secretome changes. Our findings indicate that stem cell deficiency and accelerated stromal senescence limit the differentiation capacity of the endometrium and predispose for pregnancy failure. PMID:26418742

  15. Tsunami Loss Assessment For Istanbul

    NASA Astrophysics Data System (ADS)

    Hancilar, Ufuk; Cakti, Eser; Zulfikar, Can; Demircioglu, Mine; Erdik, Mustafa

    2010-05-01

    Tsunami risk and loss assessment incorporating with the inundation mapping in Istanbul and the Marmara Sea region are presented in this study. The city of Istanbul is under the threat of earthquakes expected to originate from the Main Marmara branch of North Anatolian Fault System. In the Marmara region the earthquake hazard reached very high levels with 2% annual probability of occurrence of a magnitude 7+ earthquake on the Main Marmara Fault. Istanbul is the biggest city of Marmara region as well as of Turkey with its almost 12 million inhabitants. It is home to 40% of the industrial facilities in Turkey and operates as the financial and trade hub of the country. Past earthquakes have evidenced that the structural reliability of residential and industrial buildings, as well as that of lifelines including port and harbor structures in the country is questionable. These facts make the management of earthquake risks imperative for the reduction of physical and socio-economic losses. The level of expected tsunami hazard in Istanbul is low as compared to earthquake hazard. Yet the assets at risk along the shores of the city make a thorough assessment of tsunami risk imperative. Important residential and industrial centres exist along the shores of the Marmara Sea. Particularly along the northern and eastern shores we see an uninterrupted settlement pattern with industries, businesses, commercial centres and ports and harbours in between. Following the inundation maps resulting from deterministic and probabilistic tsunami hazard analyses, vulnerability and risk analyses are presented and the socio-economic losses are estimated. This study is part of EU-supported FP6 project ‘TRANSFER'.

  16. Noise-induced hearing loss.

    PubMed

    Sliwinska-Kowalska, Mariola; Davis, Adrian

    2012-01-01

    Noise-induced hearing loss (NIHL) still remains a problem in developed countries, despite reduced occupational noise exposure, strict standards for hearing protection and extensive public health awareness campaigns. Therefore NIHL continues to be the focus of noise research activities. This paper summarizes progress achieved recently in our knowledge of NIHL. It includes papers published between the years 2008-2011 (in English), which were identified by a literature search of accessible medical and other relevant databases. A substantial part of this research has been concerned with the risk of NIHL in the entertainment sector, particularly in professional, orchestral musicians. There are also constant concerns regarding noise exposure and hearing risk in "hard to control" occupations, such as farming and construction work. Although occupational noise has decreased since the early 1980s, the number of young people subject to social noise exposure has tripled. If the exposure limits from the Noise at Work Regulations are applied, discotheque music, rock concerts, as well as music from personal music players are associated with the risk of hearing loss in teenagers and young adults. Several recent research studies have increased the understanding of the pathomechanisms of acoustic trauma, the genetics of NIHL, as well as possible dietary and pharmacologic otoprotection in acoustic trauma. The results of these studies are very promising and offer grounds to expect that targeted therapies might help prevent the loss of sensory hair cells and protect the hearing of noise-exposed individuals. These studies emphasize the need to launch an improved noise exposure policy for hearing protection along with developing more efficient norms of NIHL risk assessment. PMID:23257577

  17. Preliminary comments about beam loss

    SciTech Connect

    Groom, D.

    1985-10-01

    A variety of beam loss questions are being investigated. They affect several design issues, ranging from machine-associated background in the detectors to the radiation lifetime of the main-ring magnets: (1) Muons. Oppositely directed muon beams from prompt muon production, primary meson decay, and a variety of other processes radiate from each IR. If they were not fanned by the insertion dipoles, the beams would be sufficiently intense and energetic that they would present a radiation hazard even after penetrating 2 km of soil or rock. (2) Machine-associated background in the IR`s. About 30 mb of the total cross section is elastic or quasi-elastic, and most of the protons are in a Gaussian spot with sigma = 9 mr. These particles are well within the machine acceptance, but there is a grey area in the tail of the distributions in which the scattered particles `almost` remain in orbit - they continue for some distance but eventually hit a wall. (3) Cryogenic load. This problem has been addressed to some degree in the RDS, but considerably more detail is needed. It appears that a very large fraction of the inelastic particle energy will be deposited here. (4) Radiation damage in the ring. The lifetime of both magnets and electronics in the tunnel might be limited by radiation due to particle loss. Early results are not reassuring. Tevatron measurements, reported to the authors by John Elias, indicate that most of the tunnel background comes from particle loss due to beam-gas collisions.

  18. Gene losses during human origins.

    PubMed

    Wang, Xiaoxia; Grus, Wendy E; Zhang, Jianzhi

    2006-03-01

    Pseudogenization is a widespread phenomenon in genome evolution, and it has been proposed to serve as an engine of evolutionary change, especially during human origins (the "less-is-more" hypothesis). However, there has been no comprehensive analysis of human-specific pseudogenes. Furthermore, it is unclear whether pseudogenization itself can be selectively favored and thus play an active role in human evolution. Here we conduct a comparative genomic analysis and a literature survey to identify 80 nonprocessed pseudogenes that were inactivated in the human lineage after its separation from the chimpanzee lineage. Many functions are involved among these genes, with chemoreception and immune response being outstandingly overrepresented, suggesting potential species-specific features in these aspects of human physiology. To explore the possibility of adaptive pseudogenization, we focus on CASPASE12, a cysteinyl aspartate proteinase participating in inflammatory and innate immune response to endotoxins. We provide population genetic evidence that the nearly complete fixation of a null allele at CASPASE12 has been driven by positive selection, probably because the null allele confers protection from severe sepsis. We estimate that the selective advantage of the null allele is about 0.9% and the pseudogenization started shortly before the out-of-Africa migration of modern humans. Interestingly, two other genes related to sepsis were also pseudogenized in humans, possibly by selection. These adaptive gene losses might have occurred because of changes in our environment or genetic background that altered the threat from or response to sepsis. The identification and analysis of human-specific pseudogenes open the door for understanding the roles of gene losses in human origins, and the demonstration that gene loss itself can be adaptive supports and extends the "less-is-more" hypothesis. PMID:16464126

  19. Primary culprit for tooth loss!!

    PubMed Central

    Nuvvula, Sailavanya; Chava, Vijay Kumar; Nuvvula, Sivakumar

    2016-01-01

    Aim: In order to facilitate planning for dental health services and to progress strategies to continue the reduction in tooth loss, it is important to identify the factors that result in such loss. therefore the aim of the study is to investigate the major cause for tooth extraction. Objective: to examine whether the major reason for tooth extraction is dental caries or periodontal disease. Materials and Methods: The study is carried out among the dental practitioners in our district. A questionnaire containing 10 items was distributed to the dental practitioners, which included age, gender, no of teeth indicated for extraction, the reason for extraction, and the periodontal parameters that are involved with the extracted tooth and were requested to complete the form on every extraction they were to undertake. the study form was collected at the end of the study period and data was subjected to statistical analysis. Results: A total of 502 patients were enrolled during the study period, and a total of 1055 teeth were extracted for several reasons. we found that 51.14%extractions are due to dental caries in case of 20-30years age groups, which is more when compared to tooth loss due to periodontal diseases in this age group. whereas in case of >40years of age group periodontal diseases account for 54.11%, and dental caries accounts for only 29.11%. Showing more teeth were lost due to periodontal disease. Conclusion: therefore we concluded that, caries is the dominant reason for extraction in patients with 20–30 years of age while periodontal disease accounts for the majority of tooth extraction in patients older than 40 years. PMID:27143841

  20. QCD Collisional Energy Loss Reexamined

    NASA Astrophysics Data System (ADS)

    Peshier, A.

    2006-11-01

    It is shown that at a large temperature and E→∞ the QCD collisional energy loss reads dE/dx˜α(mD2)T2. Compared to previous approaches, which led to dEB/dx˜α2T2ln⁡(ET/mD2) similar to the Bethe-Bloch formula in QED, we take into account the running of the strong coupling. As one significant consequence, due to asymptotic freedom, dE/dx becomes E independent for large parton energies. Some implications with regard to heavy ion collisions are pointed out.

  1. QCD collisional energy loss reexamined.

    PubMed

    Peshier, A

    2006-11-24

    It is shown that at a large temperature and E --> infinity the QCD collisional energy loss reads dE/dx approximately alpha(m(D)2)T2. Compared to previous approaches, which led to dE(B)/dx approximately alpha2 T2 ln(ET/m(D)2) similar to the Bethe-Bloch formula in QED, we take into account the running of the strong coupling. As one significant consequence, due to asymptotic freedom, dE/dx becomes E independent for large parton energies. Some implications with regard to heavy ion collisions are pointed out. PMID:17155739

  2. Computer loss experience and predictions

    NASA Astrophysics Data System (ADS)

    Parker, Donn B.

    1996-03-01

    The types of losses organizations must anticipate have become more difficult to predict because of the eclectic nature of computers and the data communications and the decrease in news media reporting of computer-related losses as they become commonplace. Total business crime is conjectured to be decreasing in frequency and increasing in loss per case as a result of increasing computer use. Computer crimes are probably increasing, however, as their share of the decreasing business crime rate grows. Ultimately all business crime will involve computers in some way, and we could see a decline of both together. The important information security measures in high-loss business crime generally concern controls over authorized people engaged in unauthorized activities. Such controls include authentication of users, analysis of detailed audit records, unannounced audits, segregation of development and production systems and duties, shielding the viewing of screens, and security awareness and motivation controls in high-value transaction areas. Computer crimes that involve highly publicized intriguing computer misuse methods, such as privacy violations, radio frequency emanations eavesdropping, and computer viruses, have been reported in waves that periodically have saturated the news media during the past 20 years. We must be able to anticipate such highly publicized crimes and reduce the impact and embarrassment they cause. On the basis of our most recent experience, I propose nine new types of computer crime to be aware of: computer larceny (theft and burglary of small computers), automated hacking (use of computer programs to intrude), electronic data interchange fraud (business transaction fraud), Trojan bomb extortion and sabotage (code security inserted into others' systems that can be triggered to cause damage), LANarchy (unknown equipment in use), desktop forgery (computerized forgery and counterfeiting of documents), information anarchy (indiscriminate use of

  3. 7 CFR 760.611 - Qualifying losses, eligible causes and types of loss.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

    ... the honey operation; (2) Losses caused by improper storage of honey; (3) Losses caused by bee feeding...) Losses caused by the collapse or failure of buildings or structures. (e) The following losses for honey, where the honey production by colonies or bees was diminished, are not a qualifying loss: (1)...

  4. 7 CFR 760.611 - Qualifying losses, eligible causes and types of loss.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... the honey operation; (2) Losses caused by improper storage of honey; (3) Losses caused by bee feeding...) Losses caused by the collapse or failure of buildings or structures. (e) The following losses for honey, where the honey production by colonies or bees was diminished, are not a qualifying loss: (1)...

  5. 7 CFR 760.611 - Qualifying losses, eligible causes and types of loss.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ... the honey operation; (2) Losses caused by improper storage of honey; (3) Losses caused by bee feeding...) Losses caused by the collapse or failure of buildings or structures. (e) The following losses for honey, where the honey production by colonies or bees was diminished, are not a qualifying loss: (1)...

  6. 7 CFR 760.611 - Qualifying losses, eligible causes and types of loss.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... the honey operation; (2) Losses caused by improper storage of honey; (3) Losses caused by bee feeding...) Losses caused by the collapse or failure of buildings or structures. (e) The following losses for honey, where the honey production by colonies or bees was diminished, are not a qualifying loss: (1)...

  7. 7 CFR 760.611 - Qualifying losses, eligible causes and types of loss.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... the honey operation; (2) Losses caused by improper storage of honey; (3) Losses caused by bee feeding...) Losses caused by the collapse or failure of buildings or structures. (e) The following losses for honey, where the honey production by colonies or bees was diminished, are not a qualifying loss: (1)...

  8. 26 CFR 1.1502-92 - Ownership change of a loss group or a loss subgroup.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 26 Internal Revenue 12 2013-04-01 2013-04-01 false Ownership change of a loss group or a loss....1502-92 Ownership change of a loss group or a loss subgroup. (a) Scope. This section provides rules for determining if there is an ownership change for purposes of section 382 with respect to a loss group or a...

  9. 26 CFR 1.904(f)-3 - Allocation of net operating losses and net capital losses.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 26 Internal Revenue 9 2011-04-01 2011-04-01 false Allocation of net operating losses and net... States § 1.904(f)-3 Allocation of net operating losses and net capital losses. For rules relating to the allocation of net operating losses and net capital losses, see § 1.904(g)-3T....

  10. 26 CFR 1.904(f)-3 - Allocation of net operating losses and net capital losses.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 26 Internal Revenue 9 2010-04-01 2010-04-01 false Allocation of net operating losses and net....904(f)-3 Allocation of net operating losses and net capital losses. For rules relating to the allocation of net operating losses and net capital losses, see § 1.904(g)-3T....

  11. Loss estimation of Membramo earthquake

    NASA Astrophysics Data System (ADS)

    Damanik, R.; Sedayo, H.

    2016-05-01

    Papua Tectonics are dominated by the oblique collision of the Pacific plate along the north side of the island. A very high relative plate motions (i.e. 120 mm/year) between the Pacific and Papua-Australian Plates, gives this region a very high earthquake production rate, about twice as much as that of Sumatra, the western margin of Indonesia. Most of the seismicity occurring beneath the island of New Guinea is clustered near the Huon Peninsula, the Mamberamo region, and the Bird's Neck. At 04:41 local time(GMT+9), July 28th 2015, a large earthquake of Mw = 7.0 occurred at West Mamberamo Fault System. The earthquake focal mechanism are dominated by northwest-trending thrust mechanisms. GMPE and ATC vulnerability curve were used to estimate distribution of damage. Mean of estimated losses was caused by this earthquake is IDR78.6 billion. We estimated insurance loss will be only small portion in total general due to deductible.

  12. Surface Information Loss in Comprehension

    PubMed Central

    Gernsbacher, Morton Ann

    2014-01-01

    Shortly after a sentence has been comprehended, information about its exact surface form (e.g., its word order) becomes less available. The present research demonstrated this phenomenon during the comprehension of nonverbal stimuli (picture stories). In Experiment 1, significantly more surface (left/right orientation) information was lost after comprehending several picture stories than just one; in Experiment 2, more was lost after comprehending an entire picture story than half of one. In Experiment 3, subjects segmented the picture stories into their constituents; in Experiment 4, significantly more surface information was lost after crossing these constituents’ boundaries than before. The present research also investigated why surface information is lost. Four explanations were considered: Surface information loss is the result of performing grammatical transformations (the linguistic hypothesis), exceeding short-term memory limitations (the memory limitations hypothesis), integrating information into gist (the integration hypothesis), shifting from building one substructure to initiating another (the processing shift hypothesis). The linguistic and memory limitations hypotheses were considered inadequate; the integration and the processing shift hypotheses were tested in the last set of experiments. In Experiment 5 (using nonverbal stimuli), the predictions made by the processing shift hypothesis were confirmed; in Experiment 6 (using verbal stimuli), these results were replicated. Other implications of the processing shift hypothesis concerning surface information loss are discussed. PMID:25308975

  13. Peroneal neuropathy after weight loss.

    PubMed

    Cruz-Martinez, A; Arpa, J; Palau, F

    2000-06-01

    The objectives of this study were to evaluate the clinical and electrophysiological findings in peroneal mononeuropathies following a weight-reduction diet. Thirty patients with acute peroneal palsy and weight loss were studied. Complete nerve conduction studies (NCS) were performed in upper and lower limbs. NCS showed conduction block (CB) of the peroneal nerve at the fibular head that recovered in 29 patients within 3 weeks to 3 months. Severity of CB was correlated with clinical weakness. Three patients had abnormalities consistent with polyneuropathy (PNP). NCS in asymptomatic relatives confirmed familial neuropathy. Nerve biopsy and molecular study were consistent with hereditary neuropathy with liability to pressure palsies (HNPP). One of these peroneal palsies (6 months) recovered after neurolysis. Weight loss might be a risk factor in peroneal mononeuropathies. NCS is a tool in the diagnosis of the site and severity of the nerve injury. Testing should be considered for relatives of patients with PNP because peroneal mononeuropathies may be the first expression of HNPP. PMID:10905469

  14. Unpleasant odors increase aversion to monetary losses.

    PubMed

    Stancak, Andrej; Xie, Yuxin; Fallon, Nicholas; Bulsing, Patricia; Giesbrecht, Timo; Thomas, Anna; Pantelous, Athanasios A

    2015-04-01

    Loss aversion is the tendency to prefer avoiding losses over acquiring gains of equal nominal values. Unpleasant odors not only influence affective state but have also been shown to activate brain regions similar to those mediating loss aversion. Therefore, we hypothesized a stronger loss aversion in a monetary gamble task if gambles were associated with an unpleasant as opposed to pleasant odor. In thirty human subjects, unpleasant (methylmercaptan), pleasant (jasmine), and neutral (clean air) odors were presented for 4 s. At the same time, uncertain gambles offering an equal chance of gain or loss of a variable amount of money, or a prospect of an assured win were displayed. One hundred different gambles were presented three times, each time paired with a different odor. Loss aversion, risk aversion, and logit sensitivity were evaluated using non-linear fitting of individual gamble decisions. Loss aversion was larger when prospects were displayed in the presence of methylmercaptan compared to jasmine or clean air. Moreover, individual differences in changes in loss aversion to the unpleasant as compared to pleasant odor correlated with odor pleasantness but not with odor intensity. Skin conductance responses to losses during the outcome period were larger when gambles were associated with methylmercaptan compared to jasmine. Increased loss aversion while perceiving an unpleasant odor suggests a dynamic adjustment of loss aversion toward greater sensitivity to losses. Given that odors are biological signals of hazards, such adjustment of loss aversion may have adaptive value in situations entailing threat or danger. PMID:25711689

  15. 26 CFR 1.1502-9T - Consolidated overall foreign losses, separate limitation losses, and overall domestic losses...

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 26 Internal Revenue 12 2010-04-01 2010-04-01 false Consolidated overall foreign losses, separate limitation losses, and overall domestic losses (temporary). 1.1502-9T Section 1.1502-9T Internal Revenue INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) INCOME TAX (CONTINUED) INCOME TAXES Consolidated Tax Liability §...

  16. The Multidimensional Loss Scale: validating a cross-cultural instrument for measuring loss.

    PubMed

    Vromans, Lyn; Schweitzer, Robert D; Brough, Mark

    2012-04-01

    The Multidimensional Loss Scale (MLS) represents the first instrument designed specifically to index Experience of Loss Events and Loss Distress across multiple domains (cultural, social, material, and intrapersonal) relevant to refugee settlement. Recently settled Burmese adult refugees (N = 70) completed a questionnaire battery, including MLS items. Analyses explored MLS internal consistency, convergent and divergent validity, and factor structure. Cronbach alphas indicated satisfactory internal consistency for Experience of Loss Events (0.85) and Loss Distress (0.92), reflecting a unitary construct of multidimensional loss. Loss Distress did not correlate with depression or anxiety symptoms and correlated moderately with interpersonal grief and trauma symptoms, supporting divergent and convergent validity. Factor analysis provided preliminary support for a five-factor model: Loss of Symbolic Self, Loss of Interdependence, Loss of Home, Interpersonal Loss, and Loss of Intrapersonal Integrity. Received well by participants, the new scale shows promise for application in future research and practice. PMID:22456590

  17. Fuel and oxidizer turbine loss analysis

    NASA Technical Reports Server (NTRS)

    Haas, J. E.

    1985-01-01

    The turbine losses for the fuel and oxidizer turbines at the FPL condition were assessed by a quasi-3D loss analysis method. This loss analysis method uses two flow codes - MERIDL and TSONIC - to calculate the flow velocities along the blade surfaces and endwalls. The velocities are then used as input to the boundary layer code - BLAYER - to calculate the friction losses due to incidence, secondary flow, and tip clearance. The loss analysis for the fuel turbine indicated an overall two-stage efficiency of about 90%. The largest loss was due to rotor tip clearance. The loss analysis for the oxidizer turbine is nearly completed. Results for the first stage of the two-stage design indicates an efficiency of about 80%, with high losses due to rotor incidence and blade and endwall friction.

  18. FDA Approves New Weight-Loss Device

    MedlinePlus

    ... gov/news/fullstory_159362.html FDA Approves New Weight-Loss Device Surgically implanted port allows obese patients to ... have been unable to lose weight and maintain weight loss using nonsurgical treatments. The FDA approval is for ...

  19. Hearing Loss Signals Need for Diagnosis

    MedlinePlus

    ... Products For Consumers Home For Consumers Consumer Updates Hearing Loss Signals Need for Diagnosis Share Tweet Linkedin Pin ... or serious ear condition and lead to further hearing loss or other complications. “The problem might be as ...

  20. Talking to someone with hearing loss

    MedlinePlus

    ... ency/patientinstructions/000361.htm Talking to someone with hearing loss To use the sharing features on this page, ... It may be hard for a person with hearing loss to understand a conversation with another person. Being ...

  1. Drug Induced Hearing Loss: What Is Ototoxicity?

    MedlinePlus

    ... page please turn JavaScript on. Feature: Drug-Induced Hearing Loss What Is Ototoxicity? Past Issues / Spring 2016 Table ... of patients taking these drugs." "Antibiotics Caused My Hearing Loss..." Gulab Lalwani Photo Courtesy of: Gulab Lalwani When ...

  2. 10 Ways to Identify Hearing Loss

    MedlinePlus

    ... Current Issue Past Issues 10 Ways to Identify Hearing Loss Past Issues / Spring 2007 Table of Contents For ... exposure and other causes. 10 Ways to Identify Hearing Loss Take the following quiz to help determine if ...

  3. Hearing Loss in Children: Data and Statistics

    MedlinePlus

    ... hearing loss is intellectual disability (23%), followed by cerebral palsy (10%), autism spectrum disorder (7%), and/or vision ... without other related conditions (such as intellectual disability, cerebral palsy, epilepsy, or vision loss) were employed. [ Read summary ] ...

  4. Weight-loss surgery and children

    MedlinePlus

    ... and blood pressure Fewer sleep problems In the United States, weight loss operations have been used with success ... is not yet approved for teenagers in the United States. All weight loss operations can be performed through ...

  5. Acoustic Trauma - Hearing Loss in Teenagers

    MedlinePlus

    ... Issues Listen Español Text Size Email Print Share Acoustic Trauma - Hearing Loss in Teenagers Page Content Article ... temporary or permanent hearing loss. This is called acoustic trauma. How loud is 85 decibels? Surprisingly, not ...

  6. Wind farm array wake losses

    SciTech Connect

    Baker, R.W.; McCarthy, E.F.

    1997-12-31

    A wind turbine wake study was conducted in the summer of 1987 at an Altamont Pass wind electric generating facility. The wind speed deficits, turbulence, and power deficits from an array consisting of several rows of wind turbines is discussed. A total of nine different test configurations were evaluated for a downwind spacing ranging from 7 rotor diameters (RD) to 34 RD and a cross wind spacing of 1.3 RD and 2.7 RD. Wake power deficits of 15% were measured at 16 RD and power losses of a few percent were even measurable at 27 RD for the closer cross wind spacing. For several rows of turbines separated by 7-9 RD the wake zones overlapped and formed compound wakes with higher velocity deficits. The wind speed and direction turbulence in the wake was much higher than the ambient turbulence. The results from this study are compared to the findings from other similar field measurements.

  7. Oxygen loss in biosphere 2

    NASA Astrophysics Data System (ADS)

    Severinghaus, Jeffrey P.; Broecker, Wallace S.; Dempster, William F.; MacCallum, Taber; Wahlen, Martin

    Oxygen concentrations have dropped sharply in the air of “Biosphere 2,” an enclosed experimental ecosystem located in southern Arizona. Biosphere 2 is a 3.15-acre airtight structure roofed in glass and underlain by an impermeable liner. It houses an artificial ecosystem containing soil, air, water, flora, and fauna and was built primarily as an apparatus for the experimental investigation of biogeochemical cycles, whole ecosystems, and life-support systems for space habitation [see Nelson et al., 1993].O2 in Biosphere 2 decreased during the first 16 months of closure from the ambient 21% to 14%, enough to cause health problems in the human occupants. We present evidence that the O2 loss is caused by microbial respiration of the excessive amount of organic matter incorporated into the experiment's soils and furthermore, that the respired CO2 is reacting with the structure's concrete to form calcium carbonate.

  8. [Witch hunt and hypotheses loss].

    PubMed

    Köhler, Dieter

    2015-12-01

    At this time randomized controlled studies (RCT) in clinical trials usually have high quality. But this quality is only true for the included patients (intrinsic validity). It is common to generalize the results to more or less similar patients. This inductive method is prohibited in epistemology what is known for 250 years (D Hume, K R Popper). Therefore the external validity for the data of RCT is low. To solve this problem additional clinical and pathophysiological based data are necessary to generalize the results. Unfortunately RCT show less quality in their premises. This is partly due to the influence of the pharmaceutical industry. A loss of universality of the hypothesis for RCT decreases basically the extrinsic validity. The articles describe this problem with examples. PMID:26676473

  9. Loss and Loneliness: Audrey's Story.

    PubMed

    Smith, Judith M

    2015-06-01

    Loneliness is a concept recently capturing the attention of nursing and other healthcare professionals due to its unfavorable effects on health outcomes. The purpose of this article is to convey the story of one widow named Audrey (pseudonym) and to describe her experiences of profound loneliness. Narratives from this single case study are reported as part of a larger qualitative, phenomenological study on loneliness in community-dwelling older adults. Findings from Audrey's story reveal intense periods of loneliness, longing and loss primarily resulting from the death of her spouse. Excerpts from these narratives uncover Audrey's coping strategies for loneliness, which included watching television, telephoning her children, reading the paper, and finding comfort in her faith. Audrey's story is essential for all home healthcare professionals to understand, as it illustrates the powerful impact of loneliness on the quality of life and health of an older adult. PMID:26034823

  10. Verification of Loss Reduction based on New Loss Analysis for Slotless PM Motor

    NASA Astrophysics Data System (ADS)

    Shikayama, Toru; Takaki, Mamoru; Ohto, Motomichi; Tsuji, Teruo; Kosaka, Takashi; Matsui, Nobuyuki

    This paper presents the loss analysis and reduction of Slotless Permanent Magnet Motors (SLPMM). The resistance and current at the inverter carrier frequency are introduced, by which loss generated by the high frequency current (carrier loss) can be separated from the total loss. The experimental studies using 200W, 3000min-1 SLPMM with halbach magnet array show the effective reduction of carrier loss. Finally, the experimental studies using the SLPMM with a series reactor proved the proposed loss analysis.

  11. 21 CFR 1314.15 - Loss reporting.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... for the report is provided below: Regulated Person Registration number (if applicable) Name Business address City State Zip Business phone Date of loss Type of loss Description of circumstances ... located, any unusual or excessive loss or disappearance of a scheduled listed chemical product under...

  12. 21 CFR 1314.15 - Loss reporting.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... for the report is provided below: Regulated Person Registration number (if applicable) Name Business address City State Zip Business phone Date of loss Type of loss Description of circumstances ... located, any unusual or excessive loss or disappearance of a scheduled listed chemical product under...

  13. 21 CFR 1314.15 - Loss reporting.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... for the report is provided below: Regulated Person Registration number (if applicable) Name Business address City State Zip Business phone Date of loss Type of loss Description of circumstances ... located, any unusual or excessive loss or disappearance of a scheduled listed chemical product under...

  14. 21 CFR 1314.15 - Loss reporting.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 21 Food and Drugs 9 2010-04-01 2010-04-01 false Loss reporting. 1314.15 Section 1314.15 Food and... PRODUCTS General § 1314.15 Loss reporting. (a) Each regulated person must report to the Special Agent in... control of the regulated person. The regulated person responsible for reporting a loss in-transit is...

  15. 21 CFR 1314.15 - Loss reporting.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 21 Food and Drugs 9 2011-04-01 2011-04-01 false Loss reporting. 1314.15 Section 1314.15 Food and... PRODUCTS General § 1314.15 Loss reporting. (a) Each regulated person must report to the Special Agent in... control of the regulated person. The regulated person responsible for reporting a loss in-transit is...

  16. 47 CFR 80.769 - Shadow loss.

    Code of Federal Regulations, 2014 CFR

    2014-10-01

    ... 47 Telecommunication 5 2014-10-01 2014-10-01 false Shadow loss. 80.769 Section 80.769... MARITIME SERVICES Standards for Computing Public Coast Station VHF Coverage § 80.769 Shadow loss. Where the transmission path is obstructed the received signal must be adjusted to include shadow loss. Attenuation due...

  17. 47 CFR 80.769 - Shadow loss.

    Code of Federal Regulations, 2012 CFR

    2012-10-01

    ... 47 Telecommunication 5 2012-10-01 2012-10-01 false Shadow loss. 80.769 Section 80.769... MARITIME SERVICES Standards for Computing Public Coast Station VHF Coverage § 80.769 Shadow loss. Where the transmission path is obstructed the received signal must be adjusted to include shadow loss. Attenuation due...

  18. 47 CFR 80.769 - Shadow loss.

    Code of Federal Regulations, 2013 CFR

    2013-10-01

    ... 47 Telecommunication 5 2013-10-01 2013-10-01 false Shadow loss. 80.769 Section 80.769... MARITIME SERVICES Standards for Computing Public Coast Station VHF Coverage § 80.769 Shadow loss. Where the transmission path is obstructed the received signal must be adjusted to include shadow loss. Attenuation due...

  19. 47 CFR 80.769 - Shadow loss.

    Code of Federal Regulations, 2010 CFR

    2010-10-01

    ... 47 Telecommunication 5 2010-10-01 2010-10-01 false Shadow loss. 80.769 Section 80.769... MARITIME SERVICES Standards for Computing Public Coast Station VHF Coverage § 80.769 Shadow loss. Where the transmission path is obstructed the received signal must be adjusted to include shadow loss. Attenuation due...

  20. 47 CFR 80.769 - Shadow loss.

    Code of Federal Regulations, 2011 CFR

    2011-10-01

    ... 47 Telecommunication 5 2011-10-01 2011-10-01 false Shadow loss. 80.769 Section 80.769... MARITIME SERVICES Standards for Computing Public Coast Station VHF Coverage § 80.769 Shadow loss. Where the transmission path is obstructed the received signal must be adjusted to include shadow loss. Attenuation due...

  1. 27 CFR 28.156 - Losses.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... Exportation or Transfer to a Foreign-Trade Zone § 28.156 Losses. Where there has been a loss of specially... or a foreign-trade zone, the exporter shall file claim for allowance of the loss in accordance with....156 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF...

  2. 27 CFR 28.156 - Losses.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... Exportation or Transfer to a Foreign-Trade Zone § 28.156 Losses. Where there has been a loss of specially... or a foreign-trade zone, the exporter shall file claim for allowance of the loss in accordance with....156 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF...

  3. 27 CFR 28.156 - Losses.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... Exportation or Transfer to a Foreign-Trade Zone § 28.156 Losses. Where there has been a loss of specially... or a foreign-trade zone, the exporter shall file claim for allowance of the loss in accordance with....156 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF...

  4. 27 CFR 28.156 - Losses.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... Exportation or Transfer to a Foreign-Trade Zone § 28.156 Losses. Where there has been a loss of specially... or a foreign-trade zone, the exporter shall file claim for allowance of the loss in accordance with....156 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF...

  5. 27 CFR 28.156 - Losses.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... Exportation or Transfer to a Foreign-Trade Zone § 28.156 Losses. Where there has been a loss of specially... or a foreign-trade zone, the exporter shall file claim for allowance of the loss in accordance with....156 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF...

  6. 38 CFR 4.112 - Weight loss.

    Code of Federal Regulations, 2013 CFR

    2013-07-01

    ... 38 Pensions, Bonuses, and Veterans' Relief 1 2013-07-01 2013-07-01 false Weight loss. 4.112... DISABILITIES Disability Ratings The Digestive System § 4.112 Weight loss. For purposes of evaluating conditions in § 4.114, the term “substantial weight loss” means a loss of greater than 20 percent of...

  7. 38 CFR 4.112 - Weight loss.

    Code of Federal Regulations, 2011 CFR

    2011-07-01

    ... 38 Pensions, Bonuses, and Veterans' Relief 1 2011-07-01 2011-07-01 false Weight loss. 4.112... DISABILITIES Disability Ratings The Digestive System § 4.112 Weight loss. For purposes of evaluating conditions in § 4.114, the term “substantial weight loss” means a loss of greater than 20 percent of...

  8. 38 CFR 4.112 - Weight loss.

    Code of Federal Regulations, 2012 CFR

    2012-07-01

    ... 38 Pensions, Bonuses, and Veterans' Relief 1 2012-07-01 2012-07-01 false Weight loss. 4.112... DISABILITIES Disability Ratings The Digestive System § 4.112 Weight loss. For purposes of evaluating conditions in § 4.114, the term “substantial weight loss” means a loss of greater than 20 percent of...

  9. 38 CFR 4.112 - Weight loss.

    Code of Federal Regulations, 2014 CFR

    2014-07-01

    ... 38 Pensions, Bonuses, and Veterans' Relief 1 2014-07-01 2014-07-01 false Weight loss. 4.112... DISABILITIES Disability Ratings The Digestive System § 4.112 Weight loss. For purposes of evaluating conditions in § 4.114, the term “substantial weight loss” means a loss of greater than 20 percent of...

  10. Hearing: Noise-Induced Hearing Loss

    MedlinePlus

    MENU Return to Web version Hearing: Noise-Induced Hearing Loss Hearing: Noise-Induced Hearing Loss The importance of hearing Hearing allows you to ... surround the soft tissue of the inner ear. Hearing loss occurs when the inner ear is damaged. What ...

  11. School Helping Students Deal with Loss

    ERIC Educational Resources Information Center

    Center for Mental Health in Schools at UCLA, 2005

    2005-01-01

    In the aftermath of a natural disaster, schools may need to plan to address the suffering and loss of many. These Guidance Notes discuss five areas in which schools can help students cope with loss: (1) Fostering Resiliency; (2) Facilitating and Fostering Social Ties and Resources; (3) Stages of Grieving; (4) Helping Students Deal with Loss; and…

  12. 27 CFR 24.266 - Inventory losses.

    Code of Federal Regulations, 2010 CFR

    2010-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2010-04-01 2010-04-01 false Inventory losses. 24.266... OF THE TREASURY LIQUORS WINE Losses of Wine § 24.266 Inventory losses. (a) General. The proprietor shall take a physical inventory of all untaxpaid wine on-hand on bonded wine premises as of the close...

  13. 27 CFR 24.266 - Inventory losses.

    Code of Federal Regulations, 2011 CFR

    2011-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2011-04-01 2011-04-01 false Inventory losses. 24.266 Section 24.266 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT... losses due to spillage, leakage, soakage, evaporation, and other losses normally occurring from...

  14. 27 CFR 24.266 - Inventory losses.

    Code of Federal Regulations, 2012 CFR

    2012-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2012-04-01 2012-04-01 false Inventory losses. 24.266 Section 24.266 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT... losses due to spillage, leakage, soakage, evaporation, and other losses normally occurring from...

  15. 27 CFR 24.266 - Inventory losses.

    Code of Federal Regulations, 2013 CFR

    2013-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2013-04-01 2013-04-01 false Inventory losses. 24.266 Section 24.266 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY ALCOHOL WINE Losses of Wine § 24.266 Inventory losses. (a) General. The...

  16. 27 CFR 24.266 - Inventory losses.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2014-04-01 2014-04-01 false Inventory losses. 24.266 Section 24.266 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY ALCOHOL WINE Losses of Wine § 24.266 Inventory losses. (a) General. The...

  17. Superconductor coil geometry and ac losses

    NASA Technical Reports Server (NTRS)

    Pierce, T. V., Jr.; Zapata, R. N.

    1976-01-01

    An empirical relation is presented which allows simple computation of volume-averaged winding fields from central fields for coils of small rectangular cross sections. This relation suggests that, in certain applications, ac-loss minimization can be accomplished by use of low winding densities, provided that hysteresis losses are independent of winding density. The ac-loss measurements on coils wound of twisted multifilamentary composite superconductors show no significant dependence on ac losses on winding density, thus permitting the use of winding density as an independent design parameter in loss minimization.

  18. Ecological interactions drive evolutionary loss of traits.

    PubMed

    Ellers, Jacintha; Kiers, E Toby; Currie, Cameron R; McDonald, Bradon R; Visser, Bertanne

    2012-10-01

    Loss of traits can dramatically alter the fate of species. Evidence is rapidly accumulating that the prevalence of trait loss is grossly underestimated. New findings demonstrate that traits can be lost without affecting the external phenotype, provided the lost function is compensated for by species interactions. This is important because trait loss can tighten the ecological relationship between partners, affecting the maintenance of species interactions. Here, we develop a new perspective on so-called `compensated trait loss' and how this type of trait loss may affect the evolutionary dynamics between interacting organisms. We argue that: (1) the frequency of compensated trait loss is currently underestimated because it can go unnoticed as long as ecological interactions are maintained; (2) by analysing known cases of trait loss, specific factors promoting compensated trait loss can be identified and (3) genomic sequencing is a key way forwards in detecting compensated trait loss. We present a comprehensive literature survey showing that compensated trait loss is taxonomically widespread, can involve essential traits, and often occurs as replicated evolutionary events. Despite its hidden nature, compensated trait loss is important in directing evolutionary dynamics of ecological relationships and has the potential to change facultative ecological interactions into obligatory ones. PMID:22747703

  19. Older adults coping with vision loss.

    PubMed

    Weber, Joseph A; Wong, Karen B

    2010-07-01

    Age-related vision loss is one of the most commonly cited disabling impairments of adult life. Stressors presented by vision loss can create barriers, threatening the well-being of the individual. This qualitative study of 30 older adults (65 to 95 years of age) investigated vision loss and coping strategies. All participants experienced unexpected sight loss during their adult years. The Adaptation to Age-Related Vision Loss (AVL) Scale was used in this study to examine psychosocial adaptation to vision impairment. The coping strategies of vision impairment were assessed by collecting self-reported reflections toward vision loss and how the change impacted the participant's life. Given the correct balance of support, confidence, and acceptance, older adults can confront the existing barriers and focus on the ability to optimize function with vision loss. Health care service providers and practitioners can provide needed assistance and a helpful guide to assist older adults in successfully coping with vision impairment. PMID:20845173

  20. Information Loss from Technological Progress

    NASA Astrophysics Data System (ADS)

    Townsend, P. D.

    2014-12-01

    Progress in electronics and optics offers faster computers, and rapid communication via the internet that is matched by ever larger and evolving storage systems. Instinctively one assumes that this must be totally beneficial. However advances in software and storage media are progressing in ways which are frequently incompatible with earlier systems and the economics and commercial pressures rarely guarantee total compatibility with earlier systems. Instead, the industries actively choose to force the users to purchase new systems and software. Thus we are moving forward with new technological variants that may have access to only the most recent systems and we will have lost earlier alternatives. The reality is that increased processing speed and storage capacity are matched by an equally rapid decline in the access and survival lifetime of older information. This pattern is not limited to modern electronic systems but is evident throughout history from writing on stone and clay tablets to papyrus and paper. It is equally evident in image systems from painting, through film, to magnetic tapes and digital cameras. In sound recording we have variously progressed from wax discs to vinyl, magnetic tape and CD formats. In each case the need for better definition and greater capacity has forced the earlier systems into oblivion. Indeed proposed interactive music systems could similarly relegate music CDs to specialist collections. The article will track some of the examples and discuss the consequences as well as noting that this information loss is further compounded by developments in language and changes in cultural views of different societies.

  1. [Annexins and recurrent pregnancy loss].

    PubMed

    Udry, Sebastián; Aranda, Federico; Latino, Omar; Larrañaga, Gabriela de

    2013-01-01

    Recurrent Pregnancy Loss (RPL) affects public health and directly compromises the quality of life of hundreds of women, with a detrimental effect on their physical and mental health. Approximately 50% of RPL are not associated to any of the currently known etiology and will be considered idiopathic. Recently, it has been demonstrated that the expression of annexin 5 (ANXA5), a protein found on the trophoblastic surface, plays a fundamental role in the development of pregnancy due to its immunomodulator and anticoagulant function at the placentary level. Some genetic haplotypes of ANXA5 are associated to alterations in the expression of this gene, such as haplotype M2 which is associated to a decrease in the expression of ANXA5. The presence of this haplotype is related to the following conditions occurring during pregnancy: RPL, foetal intrauterine growth restriction, low child weight at birth, preeclampsia and maternal pulmonary thromboembolism. This review describes the structure, function and genetic expression of ANXA5, as well as its possible implication in RPL. PMID:24152411

  2. Sleep Loss Produces False Memories

    PubMed Central

    Diekelmann, Susanne; Landolt, Hans-Peter; Lahl, Olaf; Born, Jan; Wagner, Ullrich

    2008-01-01

    People sometimes claim with high confidence to remember events that in fact never happened, typically due to strong semantic associations with actually encoded events. Sleep is known to provide optimal neurobiological conditions for consolidation of memories for long-term storage, whereas sleep deprivation acutely impairs retrieval of stored memories. Here, focusing on the role of sleep-related memory processes, we tested whether false memories can be created (a) as enduring memory representations due to a consolidation-associated reorganization of new memory representations during post-learning sleep and/or (b) as an acute retrieval-related phenomenon induced by sleep deprivation at memory testing. According to the Deese, Roediger, McDermott (DRM) false memory paradigm, subjects learned lists of semantically associated words (e.g., “night”, “dark”, “coal”,…), lacking the strongest common associate or theme word (here: “black”). Subjects either slept or stayed awake immediately after learning, and they were either sleep deprived or not at recognition testing 9, 33, or 44 hours after learning. Sleep deprivation at retrieval, but not sleep following learning, critically enhanced false memories of theme words. This effect was abolished by caffeine administration prior to retrieval, indicating that adenosinergic mechanisms can contribute to the generation of false memories associated with sleep loss. PMID:18946511

  3. Loss of agency in apraxia

    PubMed Central

    Pazzaglia, Mariella; Galli, Giulia

    2014-01-01

    The feeling of acting voluntarily is a fundamental component of human behavior and social life and is usually accompanied by a sense of agency. However, this ability can be impaired in a number of diseases and disorders. An important example is apraxia, a disturbance traditionally defined as a disorder of voluntary skillful movements that often results from frontal-parietal brain damage. The first part of this article focuses on direct evidence of some core symptoms of apraxia, emphasizing those with connections to agency and free will. The loss of agency in apraxia is reflected in the monitoring of internally driven action, in the perception of specifically self-intended movements and in the neural intention to act. The second part presents an outline of the evidences supporting the functional and anatomical link between apraxia and agency. The available structural and functional results converge to reveal that the frontal–parietal network contributes to the sense of agency and its impairment in disorders such as apraxia. The current knowledge on the generation of motor intentions and action monitoring could potentially be applied to develop therapeutic strategies for the clinical rehabilitation of voluntary action. PMID:25295000

  4. 26 CFR 301.6501(h)-1 - Net operating loss or capital loss carrybacks.

    Code of Federal Regulations, 2014 CFR

    2014-04-01

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    2012-04-01

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    Code of Federal Regulations, 2013 CFR

    2013-04-01

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    Code of Federal Regulations, 2010 CFR

    2010-04-01

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    Code of Federal Regulations, 2011 CFR

    2011-04-01

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  9. 7 CFR 760.203 - Eligible losses, adverse weather, and other loss conditions.

    Code of Federal Regulations, 2011 CFR

    2011-01-01

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    Code of Federal Regulations, 2010 CFR

    2010-01-01

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