Morbid obesity: definitions, epidemiology, and methodological problems.
This article defines obesity, ideal body weight, morbid obesity, and indexes of overweight, pointing out some of the difficulties in studies of the epidemiology of morbid obesity.
D001823:Body Composition; D001835:Body Weight; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D008297:Male; D009767:Obesity, Morbid / Q000175:diagnosis / Q000453:epidemiology; D012307:Risk Factors; D014481:United States