Anorexia More Likely To Hit Males Who Have Twin Sister

A boy/man who has a twin sister has a higher chance of developing anorexia nervosa, an eating disorder, compared to other males, including those who have a twin brother, according to an article in Archives of General Psychiatry (JAMA/Archives), December issue. The authors suggest that this latest finding adds evidence to the hypothesis that exposure to female sex hormones in the womb is perhaps linked to a higher risk of developing anorexia nervosa. [click link for full article]

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Filed under: Psychology on December 6th, 2007