With the recent deaths of two fashion models, and Madrid's decision to ban "ultra-thin" models, some in the medical community are concerned that the problems of anorexia and eating disorders are being over-simplified. Though the media (including Hollywood and the Fashion Industry) may help trigger eating disorders, it is by no means the cause.

"A 2005 study conducted by the University of North Carolina at Chapel Hill and the University of Pittsburgh School of Medicine identified six core traits that appear to be linked to genes associated with both anorexia and bulimia..."

There are currently several studies underway to determine causes of eating disorders. One study in particular suggests that genetic make-up may play a greater role that once believed.

Read more in the International Herald Tribune.