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Calories, Not Inactivity, Account for Weight Gain in US

May 8, 2009: 06:29 AM EST
An Australian study is challenging the belief that lack of exercise is behind the “obesity epidemic” in the US. Exercise is still important, says lead researcher Boyd Swinburn of Australia’s Deakin University, but increased calorie consumption accounted for 8.6kg of a predicted 10.8kg average weight gain over the 30 years from the 1970s to the 2000s. Increases in physical activity over the 30 years may have “blunted” the impact of the surge in calorie intake, he said. Children are eating about 350 more calories a day than they did in the 1970s, and adults about 500 – equivalent to a can of soda for children and a large hamburger for an adult.
Alaric Dearment, "Food intake may contribute more to obesity than lack of exercise, study suggests", Drugstore News, May 08, 2009, © Drugstorenews.com
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