PLoS medicine
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The authors discuss the policy questions arising from a new study on "abstinence-plus" interventions for reducing HIV risk behavior among youth in high-income countries.
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Comparative Study
Will spam overwhelm our defenses? Evaluating offerings for drugs and natural health products.
At least one-third of spam e-mails include offers of health products, according to this new study.
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The authors argue that there have been few systematic attempts to determine the effectiveness of community engagement in research.