Hard times for the Word of Wisdom

Here's another report that moderate consumption of alcohol is good for you. This one claims that it causes the brain to grow new brain cells. Are they really new or just replacements for the ones killed by drinking?

My brother the Pathologist says that the arteries of winos he has done autopsies on are clean as whistles.

I remain a teetotaller, nevertheless, and a non-smoker. I expect that it's harder to drink in moderation than these studies make it sound.