date:Jan 15, 2013
al changes in recent decades have helped spur growing waistlines, and now one-third of U.S. children and teens and two-thirds of adults are either overweight or obese. Today, restaurants dot more street corners and malls, regular-sized portions are larger and a fast-food meal can be cheaper than healthier fare.
In the current environment, it's difficult to exercise that personal responsibility, said Jeff Levi of Trust for America's Health, a nonprofit group that has tracked the rise in obesity.