Opening paragraph:
Anorexia and ecstasy use activate some of the same brain pathways, according to researchers who used mice to arrive at their conclusions. The findings hint that the condition works in a similar way to drug addiction, and may also point the way towards new drug treatments for the eating disorder.
Read the rest (fairly short):
http://www.newscientist.com/article/dn12718-starving-is-like-ecstasy-use-for-anorexia-sufferers.html