Overeating

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Overeating occurs when an individual consumes more calories in relation to the energy that is expended via physical activity or expelled via excretion, leading to weight gain and often obesity. Overeating is the defining characteristic of binge eating disorder.^[1]

Overeating can be a symptom of binge eating disorder or bulimia nervosa.^[2][1]

In a broader sense, hyperalimentation includes excessive food administration through other means than eating, e.g. through parenteral nutrition.