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Reducing Portion Sizes to Prevent Obesity

A Call to Action
      The prevalence of obesity shows no signs of decreasing in the U.S.
      • Flegal K.M.
      • Carroll M.D.
      • Kit B.K.
      • Ogden C.L.
      Prevalence of obesity and trends in the distribution of body mass index among U.S. adults, 1999–2010.
      Because it raises risks for chronic diseases and premature death, the 2010 Dietary Guidelines for Americans
      U.S. Department of Agriculture (USDA) and DHHS
      Dietary Guidelines for Americans, 2010.
      state that this condition poses “the single greatest threat to public health in this century.” It seems evident that the current obesity epidemic is caused by an excess of calorie intake over expenditure encouraged by an environment that promotes excessive food intake and discourages physical activity. Restaurant foods, large portion sizes, and ubiquitous food, all heavily marketed, contribute to calorie overconsumption.
      • Levitsky D.A.
      • Pacanowski C.R.
      Free will and the obesity epidemic.
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