animals barbados brain braindamage childhealthservices chronic complications control developingcountries education epidemiology feedingbehavior food foodhabits foodrelief foodservices foodsupply malnutrition malnutritioninchildren mothers nutrition nutritionalaspects nutritionalphysiologicalphenomena nutritiondisorders physiology prevention qu145a936n1981 therapy wd105r183p1979 wl102c764c1977