2008-03-04 Testosterone may guard against eating disorders

http://www.reuters.com/article/2008/03/04/us-testosterone-disorders-idUSCOL46761020080304

(Reuters Health) - Research suggests that young adult women exposed prenatally to testosterone have a reduced likelihood of developing eating disorders. The finding, researchers say, provides further evidence that biological factors - and not just social influences - are involved in anorexia and bulimia.

In an ongoing study of 538 sets of twins in Michigan, researchers observed that females who were in the womb with male twins have lower risk for eating disorder symptoms than females who were in the womb with female twins.(Read entire article)

2008-03-04 Testosterone Could Guard Against Eating Disorders

http://www.sciencedaily.com/releases/2008/03/080303164518.htm

Testosterone appears to protect people against eating disorders, providing further evidence that biological factors – and not just social influences – are linked to anorexia and bulimia, according to new research findings at Michigan State University.

An ongoing, six-year study of 538 sets of twins in Michigan indicates that females who were in the womb with male twins have lower risk for eating disorder symptoms than females who were in the womb with female twins. Previous animal research has shown that females in the womb with males are exposed to higher levels of testosterone.(Read entire article)