Eating Disorders
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
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EATING DISORDERS in psychology, disorders in eating patterns that comprise four categories...slenderness. Rumination disorder generally occurs during infancy, and involves repeated regurgitation accompanied by low body weight. Infants suffering from rumination disorder may re-ingest the regurgitated food. Pica, also found primarily among infants, is characterized by eating various non-nutritive substances...