Major shift in HIV prevention priorities needed

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According to a new policy analysis led by researchers at the Harvard School of Public Health (HSPH) and the University of California, Berkeley, the most common HIV prevention strategies—condom promotion, HIV testing, treatment of other sexually transmitted infections (STIs), vaccine and microbicide research, and abstinence—are having a limited impact on the predominantly heterosexual epidemics found in Africa. Furthermore, some of the assumptions underlying such strategies—such as poverty or war being major causes of AIDS in Africa—are unsupported by rigorous scientific evidence.


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All News summaries for May 08, 2008

Vitamin D protects cells from stress that can lead to cancer

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By inducing a specific gene to increase expression of a key enzyme, vitamin D protects healthy prostate cells from the damage and injuries that can lead to cancer, University of Rochester Medical Center researchers report.

Depression and anger can plague recent university graduates: Study

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The post-university years can start out tough. The good news: it gets better. A new University of Alberta study of almost 600 of its graduates (ages 20-29 years old) tracked mental health symptoms in participants for seven ...

Researchers find link between psychological stress and overeating

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Researchers at the Yerkes National Primate Research Center, Emory University, have found socially subordinate female rhesus macaques over consume calorie-rich foods at a significantly higher level than do dominant females.

Expanded food and nutrition program shows $10 benefit for each $1 spent

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A program to teach low-income adults about healthy food choices is a good bargain in terms of the health and economic benefits achieved, reports a cost-effectiveness study in the May/June issue of Journal of Nutrition ...

Novel mechanisms controlling insulin release and fat deposition discovered

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Scientists at the Swedish medical university Karolinska Institutet have in two recent studies shown that a receptor called ALK7 plays important roles in the regulation of body fat deposition as well as the release of insulin ...