“Runaway competition for thinness generates an evolutionary mismatch, which drives up the risk of maladaptive eating symptoms; in particular Abed suggested that AN arises as a direct consequence of competition for thinness, whereas BN may stem from attempts to maintain a nubile body shape.” Evolutionary PsychologyEating DisordersEvolutionary PsychopathologyTcaAnorexia Nervosa Bulimia Nervosa Book:Evolutionary Psychopathology: A Unified Approach Source: Evolutionary Psychopathology: A Unified Approach