When Marcus becomes anxious,he eats a tremendous amount of food over an extended period of time.Afterward,Marcus feels guilty about his binge eating but does not purge or exercise excessively.Marcus is demonstrating the symptoms of

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Marcus is demonstrating the symptoms of binge-eating disorder, which involves recurrent episodes of binge eating without compensatory behaviors such as purging or excessive exercise. This is differentiated from bulimia nervosa, which involves both binge eating and compensatory behaviors, and from dissociative identity disorder and antisocial personality disorder, which do not involve disordered eating behaviors.

When Marcus Becomes Anxious,he Eats a Tremendous Amount of Food