Top stories in health and medicine, January 31, 2013

This series is brought to you by MedPage Today.

1. Married People Have Lower Heart Risk, Mortality. Acute coronary syndromes (ACS) carried a significantly higher mortality risk for men and women who lived alone or were unmarried than for married people.

2. Much Fiction Found in Obesity Reporting. Press reports and scientific writing on dieting, weight gain, and obesity are burdened by false or unproven claims.

3. Functional Issues Similar with Surgery, RT for Prostate Cancer. Men with localized prostate cancer have declines in sexual, urinary, and bowel function over time, whether they choose surgery or radiation therapy.

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