Alcohol for Stroke Prevention?

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Abstract
Cerebrovascular disease accounts for a substantial worldwide burden of death and disability. In addition to well-established risk factors such as hypertension, myocardial infarction, diabetes mellitus, and smoking,1 an increasing body of evidence suggests that lifestyle factors contribute to the risk of stroke. In this issue of the Journal, Berger et al.2 report, on the basis of their study of U.S. male physicians 40 to 84 years of age who were participants in the Physicians' Health Study, that light-to-moderate alcohol consumption may prevent stroke. The overall relative risk of stroke was 0.79 (95 percent confidence interval, 0.66 to 0.94) for those . . .