Anorexia nervosa in Twins

Abstract
In 1979, Askevold and Heiberg made an interesting contribution to the discussion on the hereditability of anorexia nervosa by reviewing a series of case reports concerning monozygotic twins. The data were not entirely accurate and some important references that were overlooked are briefly discussed. Three cases are added. A final examination of the available data with respect to anorexia nervosa in twins does not substantially support the assumption that genetic factors may play a determining role in the etiology of this syndrome.

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