Adolescents with anorexia nervosa refuse to keep their weight at or above the minimally healthy weight for their height and age.
Anorexia nervosa can develop and persist due to a variety of variables, including family effects, genetics, neurochemicals, and developmental factors.
In order to control their food intake in relation to their energy needs, people with anorexia nervosa may reduce their food intake, increase their physical activity, or purge their meals through laxatives and vomiting.
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