Prevalence of severe obesity in adults in the United States.
D000328:Adult; D000368:Aged; D001827:Body Height; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D009765:Obesity / Q000453:epidemiology*; D012737:Sex Factors; D012885:Skinfold Thickness; D014481:United States