"Oct. 29, 2007 -- The fullness hormone leptin may make it easier to resist high-calorie foods.

That news comes from a new study of people with a rare genetic disorder that causes leptin deficiency and obesity.

Leptin-related brain areas may be good targets for obesity treatment, the researchers suggest."

http://www.webmd.com/brain/news/20071029/hormone-leptin-tweaks-hungry-brain?ecd=wnl_day_103107

Will this result in a new area of obesity research?