Researchers have established how a molecule in the inner ear of mammals helps fine-tune auditory perception. Their findings help explain how the brain communicates with the inner ear, reducing its response to sound in loud or distracting environments. Damage by loud noise or drugs underlies the most widespread form of sensorineural hearing loss as well as tinnitus, the debilitating perception of sound in the absence of an external source.
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Scientists have identified a genetic change controlling rapid evolution of skin color in fish, and shown that the same mechanism also contributes to recent evolution of skin color in humans.
Researchers have a new picture of how neurons forge physical connections between one another in order to communicate. Establishing these connections is critical for proper brain function, and errors in the process are thought to be associated with autism and other disorders. The new understanding of the structure of the proteins that form this connection and mutations that can disrupt their interaction may help explain some forms of these disorders.
Howard Hughes Medical Institute investigators Axel Brunger and Thomas S
Scientists have found that individual neurons have more computational power and contribute more to behavior than previously thought. The researchers used light to activate individual neurons in living mice and showed that even short bursts of activity in a few neurons can influence learning and decision making.
A master muscle stem cell gene called Pax7 controls the development of new muscle tissue by regulating how certain genes are switched from a silent state to an active state.
A new study shows that the intellectual boost associated with breast milk is only attained if a child has inherited one of two versions of a specific gene.
Managing the identities of providers working with confidential healthcare information is essential to the success of the growing community of state and regional leaders managing health information exchange.
For many Americans, poverty and lack of health insurance make it difficult to get necessary health and medical care. According to a new study, once they do visit the doctor, poor, uninsured people often report racial discrimination when communicating with health care professionals.
Hospitals are dangerous places and the danger is even greater over the holidays, when staffing is cut to the bone, temps are relied on more than usual, and the most experienced doctors and nurses are not around.
Thirteen of the 20 cities in which a clinical trial was conducted for an artificial blood substitute had minority populations greater than that of the nation as a whole.
Sixty-four percent of California registered voters support health care legislation proposed by Arnold Schwarzenegger.
Studies examine rising demands on community health centers, pay-for-performance initiatives, comparative effectiveness research.
Reducing the gap between the development of new drugs and treatments and their implementation in the developing world could save thousands of lives each day.
Senate Republican Conference called to stress health care issues to help win over independent voters in their attempt to regain a majority in 2008.
Inadequate disaster preparedness plans resulted in many people with chronic diseases having difficulty finding daily medications and physicians to manage their conditions after Hurricane Katrina.
Hospitalists -- physicians who provide general care to patients in hospitals in place of traditional general practitioners and internists -- reduce the average inpatient stay.
US could reduce health care spending over 10 years by $1.5 trillion, in part through accelerated adoption of health care information technology.
Mozambique launched the first phase of an initiative that will conduct microbicide research at Manhica Health Research Center.
Researchers have identified a molecular switch that, when blocked, may help reverse necrotizing enterocolitis.
Escalon Medical' Drew Scientific subsidiary received clearance from FDA to market the D3 Hematology System.
FDA has approved CV Therapeutics' language for the product labeling for Ranexa which describes the ability of ranolazine to inhibit the late sodium current at therapeutic levels.
Editorials address recent developments in the presidential campaign related to health care.
A new study shows an association between severe psoriasis and a significantly increased risk of death.
Overwhelming majority of Tracleer patients enrolled in Sure Steps find the patient support program valuable, and feel that their knowledge of pulmonary arterial hypertension and Tracleer have improved due to the program.
Although psychiatrists are among the least religious physicians, they seem to be the most interested in the religious and spiritual dimensions of their patients.
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