Will Obesity Reverse Rise in U.S. Life Expectancy?

Aired: 5/8/2012 | 0:15:08 | Clip
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 Institutes of Health discuss the personal and public consequences of obesity.