Fighting fat in lean times.
D004196:Disease Outbreaks / Q000331:legislation & jurisprudence / Q000517:prevention & control; D015444:Exercise; D006293:Health Promotion / Q000331:legislation & jurisprudence / Q000379:methods; D006801:Humans; D018673:Nutrition Policy / Q000331:legislation & jurisprudence; D009765:Obesity / Q000453:epidemiology / Q000517:prevention & control*; D014481:United States / Q000453:epidemiology