Anorexia nervosa is not simply a disorder of choice. There is a clear genetic [cause] for this disorder that we need to incorporate into our understanding of what anorexia nervosa is. |
Fifty-six percent heritability -- that's a fairly large contribution of genes. |
For centuries, we have been under very false stereotypes and misconceptions about what causes anorexia nervosa. |
Genes load the gun, and environment pulls the trigger. These people who are genetically disposed to anorexia nervosa may be more sensitive to those environmental triggers, like dieting after seeing a fashion magazine. |