Obesity

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Forecasting the Effects of Obesity and Smoking on U.S. Life Expectancy

New England Journal of Medicine - Wed Dec 2, 5:54 pm ET

Using data from U.S. national surveys, the authors forecast that the adverse effect of increases in obesity on the nation's health over the next decade will exceed the benefits of declines in smoking. They estimate that the elimination of smoking and obesity by 2020 would increase the average life expectancy at the age of 18 by almost 4 years.