Environmental modification and differential health practices.
D000328:Adult; D002489:Central America; D002648:Child; D002668:Child Rearing; D004463:Ecology; D004777:Environment; D004782:Environmental Health; D004813:Epidemiology; D005260:Female; D006801:Humans; D008297:Male; D009749:Nutrition Surveys; D012922:Social Change; D013672:Technology