According to the 2004 National Health and Nutritional Examination Surveys, the prevalence of obesity among adults 20–74 years of age has increased from 15% in the 1976–1980 survey to 32.9% in the 2003– 2004 survey.
According to the 2004 National Health and Nutritional Examination Surveys, the prevalence of obesityamong adults 20–74 years of age has increased from 15% in the 1976–1980 survey to 32.9% in the 2003–2004 survey.