africa alimentation aliments aminoacids analysis anthropology anthropometry bodyheight breastfeeding breastmilk business childnutritionalphysiologicalphenomena children china composition congresses congrès consommation costandstandardofliving developingcountries diet dietaryproteins dietindisease eastern economics ee7411 enrichedfoods epidemiologicmethods evaluation états-unis feedingbehavior food foodconsumption foodhabits foodrelief foodsupply general gn407t7681986 growth guatemala habitudesalimentaires haiti healthandhygiene human hunger infantnutritionalphysiologicalphenomena infants infrastructure longitudinalstudies malnutrition methodology methods milk norway nutrition nutritionalanthropology nutritionalphysiologicalphenomena nutritionpolicy nutritivevalue politics poor proteins publichealth publicpolicy qu145w713n1990 qu146aa1 qu146aa1k8l1969 qu55a5171969 research ruralpoor santépublique socialaspects socialscience southern statistics stature unitedstates vital weaning ws125q151985 ws130i341987