1Obesity2011Obesity Defined•BMI = wt in kg/ht in m2• Adults:Oi ht BMI 25 t29 9– Overweight: BMI 25 to 29.9–Obese: BMI > 30•Tim Tebow: 6’3, 240 lbs– BMI = 30.2Prevalence of High Body Mass Index for Age in Boys and Girls Aged 2 Through 5 Years, 1999-2008Copyright restrictions may apply.Ogden, C. L. et al. JAMA 2010;303:242-249.
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2Prevalence of High BMI for Age in Boys and Girls Aged 6 Through 19 Years, 1999-2008Copyright restrictions may apply.Ogden, C. L. et al. JAMA 2010;303:242-249.Why this dramatic increase in obesity over the last 30 years???Contributing Factor #1: Behavior• Energy imbalance• Excessive caloric intake• Portion distortionhttp://www.cdc.gov/nccdphp/dnpa/obesity/contributing_factors.htmCalories InCalories Out