[Epidemiological considerations on obese children].
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D009765:Obesity / Q000453:epidemiology* / Q000235:genetics / Q000517:prevention & control; D012737:Sex Factors