Eating disorders: Psyche or soma?

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Abstract
Speculation about the etiology of eating disorders has gone through different phases, variously favoring familial, organic, and psychosocial factors. Recent evidence has particularly contributed to our understanding of the organic view. We review the evidence for an organic contribution to the illness and present a series of cases in which organic factors were present. The cases illustrate the complex interaction between biological and psychological factors. In particular, a growth hormone‐producing pituitary adenoma was discovered in a patient following successful treatment of her bulimia by psychological means alone. Etiological theories of eating disorders need to encompass both organic and psychosocial factors, allowed to interact in complex ways. Focusing exclusively on either aspect is a disservice to our patients. © 2000 by John Wiley & Sons, Inc. Int J Eat Disord 27: 279–287, 2000.