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Science News for April 18, 2006


Study shows gene candidates for predisposition

Researchers have identified 20 candidate genes that regulate alcohol preference, shedding light on the genetic factors underlying excessive drinking. The study suggests that differences in brain function and homeostasis may contribute to an individual's reaction to alcohol.

SourceScripps Research Institute·JournalProceedings of the National Academy of Sciences·DateApr 18, 2006

Hantavirus found in African wood mouse

A team of scientists has discovered a new hantavirus in an African wood mouse, which is related to viruses causing severe disease in humans in Central and Eastern Europe. The virus was found to have similarities with other hantaviruses, including the Dobrava virus, and can infect humans, according to preliminary evidence.

SourceHoward Hughes Medical Institute·JournalEmerging Infectious Diseases·DateApr 18, 2006

Mediterranean diet lowers Alzheimer's risk in American cohort

A prospective community-based study of 2,258 non-demented people found that higher adherence to the Mediterranean diet was associated with a significantly lower risk of developing Alzheimer's disease. The association remained significant even after adjusting for potential confounders.

SourceWiley·JournalAnnals of Neurology·DateApr 18, 2006

Other highlights in the April 19 JNCI

Researchers found that BRCA1 and BRCA2 mutation carriers experience a similar reduction in breast cancer risk with increasing number of pregnancies carried to full-term, parallel to that in the general population. Additionally, they discovered that first childbirth at age 20 years or older is associated with increased risk of breast ca...

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateApr 18, 2006

Are you getting your money's worth in health care?

A new study finds that health care spending generates significant health benefits, with a return on investment of $1.55 to $1.94 for every dollar spent. The research demonstrates the value of estimating the impact of health care investments and challenges policymakers to consider cost-effectiveness in their decision-making.

SourceBlackwell Publishing Ltd.·JournalValue in Health·DateApr 18, 2006