Medical anthropology Milk Social aspects Altitude Altitude, Influence de l' Altitude, Influence of Anthropologie médicale Anthropology, Cultural Cross-Cultural Comparison Dairy products Environmental conditions Environnement Food preferences History Human ecology Infant Mortality Infant, Low Birth Weight Infants Milk as food Milk consumption Mortality Mortalité Nourrissons Risk Factors Social Environment Socioeconomic Factors growth & development Écologie humaine