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Causes of Teenage ObesityLess than ten percent of schools set aside time for physical education each day, and less than 40 percent of adults engage in enough physical activity to confer health benefits. With numbers like that, teenage obesity levels will rise, no matter what teenagers eat. A recent study of teenagers' eating and exercise habits over the past twenty years supports this observation. Nutritionist Lisa Sutherland of the University of North Carolina at Chapel Hill looked at data from the CDC's National Health and Nutrition Examination Survey and Youth Risk Behavior Surveillance System, and the Department of Agriculture's Nationwide Food Consumption Survey, all of which have been following our national weight trends, activity trends, and food consumption trends for several years. She found that over the past twenty years, teenagers have, on average, increased their caloric intake by one percent. During that same time period, the percentage of teenagers who said they engaged in some sort of physical activity for thirty minutes a day dropped from 42 percent to 29 percent. Not surprisingly, teenage obesity over the twenty year period increased by 10 percent. The logical conclusion is that it isn't junk food that's making teenagers fat - it's their lack of activity. For next page, click Obesity & Exercise Obesity and Weight Loss Short Articles About Teenage Weight Loss and Diet
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