Public health experts have long warned of a growing obesity epidemic in America. This week, the Institute of Medicine and others launched a major campaign in hopes of curbing the problem. Ray Suarez and Dr. Francis Collins of the National…

John Hoffman, executive producer of HBO's "Weight of the Nation" series, talks obesity.

As First Lady Michelle Obama implements a national plan to end the U.S.'s childhood obesity epidemic, Betty Ann Bowser looks at the battle being waged in Mississippi against the fried foods that have become traditional staples in the state.

Michelle Obama launched a new program Tuesday aimed at eliminating childhood obesity within one generation. The "Let's Move" initiative, which seeks to reshape childhood eating and exercise habits, marks her first major public policy effort as first lady.