Top stories in health and medicine, August 12, 2013

Brought to you by MedPage Today.

1. Med Students Who Shadow Surgeons Keener on Surgery. Medical student interest in critical care surgery has fallen since the 1980s, but shadowing surgeons on a busy night bolstered enthusiasm in a small group.

2. Second-Hand Smoke, Asthma Link Remains. Children with asthma were more likely to be exposed to second-hand smoke than those without the disease.

3. New Guidelines: HIV Exposure at Work, Treat ASAP. Healthcare workers exposed to HIV at work should immediately begin four weeks of post-exposure prophylaxis with three antiretroviral drugs, according to new recommendations.

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