Whether you like it or not, fast-food is here to stay: fast, convenient, economical and rewarding. It satisfies the typical needs of today's lifestyle. Though at what cost? In America about 37% of children and adolescents are too fat and two out of three adults are overweight or obese. Is it because of lack of self-control or are the fast-food chains to blame? Morgan Spurlock interviewed experts in 20 cities in the United States, including Houston, the "˜fattest city' in America. On his journey, Spurlock even put his own health at stake by feeding only at McDonald's for a whole month - with astonishing results.