Alcohol: A double-edged sword for heart and health, from the Harvard Heart Letter

A huge study showing that moderate, prudent drinking protects the heart and arteries raises a big question: What should we do with this information? In what sounds like a contradictory conclusion, the researchers say their findings "lend further support for limits on alcohol consumption." That makes sense, reports the October 2011 Harvard Heart Letter, when you consider the complexity of alcohol's effects on heart disease, stroke, and other aspects of health.

In the study, which included more than two million men and women followed for an average of 11 years, moderate alcohol use (compared to no alcohol use)

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