Why Nondrinkers May Be More Depressed

http://www.time.com/time/health/article/0,8599,1928187,00.html

The most powerful explanation seems to be that abstainers have fewer close friends than drinkers, even though they tend to participate more often in organized social activities. Abstainers seem to have a harder time making strong friendship bonds, perhaps because they don’t have alcohol to lubricate their social interactions. After all, it’s easier to reveal your worst fears and greatest hopes to a potential friend after a Negroni or two.