On one day liquor’s making you fat (so many calories!), the next it’s keeping you thin (drinkers eat less dessert!). It may be causing your depression or it could be your biggest stress buster. For the longest time conventional wisdom seemed to say that it all came back to moderation. But then this past August a new study blew the lid off of that theory too, concluding that even heavy drinkers outlive non-drinkers.