Top stories in health and medicine this morning, March 9, 2012

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1. Women Have Survival Edge in Heart Failure. Women with heart failure live longer than men, regardless of common sex-specific confounders, such as age and ejection fraction.

2. Low Vitamin D Hikes Death Risk in Elderly. Low vitamin D levels, common among women in nursing homes, may raise their risk of dying within a few years.

3. Hot Dogs, Bacon May Worsen COPD. Patients with chronic obstructive pulmonary disease (COPD) who eat too much cured meat — including bacon and hot dogs — may be putting themselves at risk for a return trip to the hospital.

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