 In the developed world, anorexia affects about 0.4% and bulimia affects about 1.3% of young women in a given year.Binge eating disorder affects about 1.6% of women and 0.8% of men in a given year.Among women about 4% have anorexia, 2% have bulimia, and 2% have binge eating disorder at some time in their life.