Too Much Junk Food

Almost 50 million americans are obese and 6 to 7 million are "moribly obese": they weigh 100 pounds more than they should. Since the late 1970s,the rate of obesity among americans has increased by 50 percent. Amoung preschoolers it has doubled. And amoung children aged six to eleven it has tripled. "We've got the fattest, least fit generation of kids ever" nutritionists say.