Transcription of Why Have Americans Become More Obese?
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Why Have Americans Become More Obese?
Why Have Americans Become MoreObese?David M. Cutler, Edward L. Glaeser andJesse M. ShapiroIn the early 1960s, the average American adult male weighed 168 , he weighs nearly 180 pounds. Over the same time period, the averagefemale adult weight rose from 143 pounds to over 155 pounds ( Depart-ment of Health and Human Services, 1977, 1996). In the early 1970s, 14 percent ofthe population was classified as medically obese. Today, obesity rates are two timeshigher (Centers for Disease Control, 2003).Weights have been rising in the United States throughout the twentiethcentury, but the rise in obesity since 1980 is fundamentally different from pastchanges.
Males, age 20–55 10 0.05.1 20 1971–75 1988–94 30 BMI (kg/m2) 40 50 Females, age 20–55 10 0.05.1 20 1971–75 1988–94 30 BMI (kg/m2) 40 50 Source: National Health and Nutrition Examination Surveys. 96 Journal of Economic Perspectives
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