Edited sentence: , was part of a Harvard study that followed a group of men for four decades, beginning in adolescence.35-43, and states  " Psychiatrist George Vaillant, M.In his 1983 book The Natural History of Alcoholism, Dr.Stanton Peele dicusses the outcome of a Vaillant study in  Psychology Today, September/October 1996, pp.Vaillant reported that over 60 percent of those who.overcame their alcoholism didn't enter any kind of treatment,including AA"