Studies of alcohol's effects on health have offered contradictory findings, with some suggesting a glass of red wine a day is beneficial and others saying even a drop of booze is too much. A new review attempting to clarify the risks finds more than 60 diseases, based on the World Health Organization's International Classification of Diseases, are 100% attributable to consuming alcohol. But the review also finds that some of the damage can be slowed or reversed by cutting down or quitting drinki