The Supposed Health Benefits of Moderate Drinking are a Crock
It is clear from the analysis I discuss in “Data on Asian Genes that Discourage Alcohol Consumption Explode the Myth that a Little Alcohol is Good for your Health” that even moderate drinking is bad for heart health. Researchers always suspected that other lifestyle factors created the false correlational illusion that moderate drinking is good for your health. The study described at the link above nails that story as an actuality a little better.
For annotated links to other posts on diet and health, see “Miles Kimball on Diet and Health: A Reader's Guide.”