Vidyya Medical News Service
Volume 7 Issue 27 Published - 14:00 UTC 08:00 EST 27-Jan-2005 Next Update - 14:00 UTC 08:00 EST 28-Jan-2005
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Future cure: Researchers discover way to make cells in the eye sensitive to light
According to research published online today in Nature, a team from Imperial College London and the University of Manchester, have discovered that activating the melanopsin gene in the nerve cells causes them to become light responsive, or photoreceptive.  more

US syphilis epidemics not driven by increases in unsafe sex say researchers
A UK based team of researchers has found that regular epidemics of syphilis in the USA are due to the intrinsic cyclical nature of the disease. They show that changes in the immunity of the population cause periodic syphilis outbreaks, rather than changes in sexual behaviour, as was previously thought.  more

43% of US adults at risk of heart disease are not utilizing aspirin therapy
Preliminary survey results released today by the American College of Preventive Medicine (ACPM) found that 43% of U.S. adults aged 40 and older who are at increased risk of cardiovascular (CV) events and therefore potential candidates for doctor-recommended aspirin therapy based on current American Heart Association guidelines are not utilizing aspirin therapy to reduce their risk of heart attack or stroke.  more


Study provides insights on why some prostate cancer becomes resistant to hormone withdrawl therapy
A new study by scientists at Fred Hutchinson Cancer Research Center provides insight into why some men develop aggressive prostate cancer that becomes resistant to hormone-withdrawal therapy, a common form of treatment.  more

FDA grants tentative approval to generic AIDS drug regimen for potential purchase under the president's emergency plan for AIDS relief
The Food and Drug Administration (FDA) today announced the tentative approval of a co-packaged antiretroviral drug regimen manufactured by Aspen Pharmacare of South Africa for the treatment of HIV-1 infection in adults. The agency's tentative approval means that although existing patents and/or exclusivity prevent U.S. marketing of Aspen's product, it meets FDA's quality, safety and efficacy standards for U.S. marketing. This action makes this product available for potential procurement by President Bush's Emergency Plan for AIDS Relief.  more

NIAID begins enrolling volunteers for novel HIV vaccine study
A large clinical trial of a novel HIV vaccine has begun enrolling volunteers at sites in North America, South America, the Caribbean and Australia. Organizers are seeking 1,500 participants. more

More babies born at very low birth weight linked to rise in infant mortality in 2002
An increase in the birth of very small infants is the major reason behind the increase in U.S. infant mortality in 2002, according to a report released today by the Centers for Disease Control and Prevention (CDC). The increase in infant mortality, from 6.8 infant deaths per 1,000 live births in 2001 to 7.0 in 2002, was the first increase in the infant mortality rate since 1958 and was reported last year by CDC.  more

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