Most claims that alcohol has significant beneficial effect are vastly overblown.
Here’s a quote from an article from the Lancet in 2005:
The Lancet, Volume 366, Issue 9501, Pages 1911-1912
R. Jackson, J. Broad, J. Connor, S. Wells
Previous threads on this topic:
The gist of it: Consumption of small amounts of alcohol is likely to be health-neutral at best and quickly becomes a signficant detriment to health as intake increases.