Dr. Poikolainen, who has examined decades of research into the effects of alcohol, has written a book about the positive health impact. He was previously Research Director at the Finnish Foundation for Alcohol Studies, with a focus on the causes and consequences of alcohol intake.
He believes drinking only becomes harmful when people consume more than around 13 units a day—most bottles of wine contain 10. "The weight of the evidence shows moderate drinking is better than abstaining and heavy drinking is worse than abstaining - however the moderate amounts can be higher than the guidelines say," he said, according to the Daily Mail.
Bacchus, God of Wine,
Intoxication, and Ecstacy
via Gothamist - they include links to several previous stories on related topics:
Previously in scientific reports on alcohol consumption: drinking alcohol will make you less tired, although it will also destroy your memories, and it's really cool with kids and people who like to have sex, although it may give you cancer, or at least ruin your dancing abilities, but hey, you might live forever if you don't die first.