Adult obesity statistics (based on 2011-2014 report from nchs) > 1/3 of adults and 17% of youth in us were obese. The prevalence of obesity: women > men, middle aged>older adults>younger adults, non-hispanic black, hispanic, and non hispanic white > non hispanic. By 2030, 50% of all men and women will be obese . Annual medical cost in 2008: billion, ,429 per person higher than those of normal weight. Men with higher incomes: reduced risk of obesity. Second leading cause of death in the us after tobacco: 17% us pediatric population is obese 12. 5 million. 2003-2012: significant reduction in obesity in 2-5 year olds. New generations may face shorter life expectancy than their parents in the future. Genetic disorders: prader-willi syndrome child unable to feel satiety. Personal biology: resting energy expenditure/ basal metabolic rate (bmr) Environment: family/friends, school/workplace settings, safe and pedestrian friendly environments, recreational opportunities. School campuses/child care centers: sugary drinks, less healthy food choices.