title: Obesity: epidemiology and the problem of measurement.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002170:Canada; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009765:Obesity / Q000453:epidemiology* / Q000401:mortality