1. If a diet is inadequate (or malnutrition is present) are foodstuffs being excluded from the diet because they are not available?
2. In "meals", what social functions does the content, order, preparation and timing of the meal perform for those who take part in it? What does it signal to them, and to others, about the type of relationships between those who take part in it?
3. In infant feeding, how do socio-cultural or economic factors affect the choice of breast feeding, the length of breast feeding or artificial feeding, the techniques of weaning, types of foods used, and maternal beliefs about the optominal size shape and weight of their infants?