To lose some of the weight she gained from binge eating,Melissa uses laxatives and exercises until she is exhausted. Melissa most clearly demonstrates symptoms of

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Melissa demonstrates symptoms of bulimia nervosa, as she engages in binge eating followed by compensatory behaviors such as laxative use and excessive exercise to "undo" the calories consumed in the binge. Anorexia nervosa involves restriction of food intake and a distorted body image, while binge-eating disorder involves recurrent binge eating without compensatory behaviors. Homeostasis refers to the body's physiological processes that maintain a stable internal environment, and is not relevant to Melissa's behaviors.

To Lose Some of the Weight She Gained from Binge