ANT208H1 Lecture : med ant lec 7.docx
Document Summary
First 1,000 days: prenatal + early post natal: almost impossible to make up deficits that happen during this period, ex. Cognitive + metabolic: very vulnerable to care giving, window of opportunity. Childhood + pubertal growth and maturation: we have delayed maturation. Effects of nutrition and stress : secular trends in maturation: also social stress on mother or child and how this creates variation across a population, people in industrialized nations these days mature earlier than ancestors did. Developmental origins of adult disease ; fetal programming : phenotypic hypothesis how things change during lifetime b/t nutrition. Total dependence on mother during gestation: right after birth milk only. Partial dependence after mixed feeding: huge variation, longer for larger animals. Key function of lactation : mature antibodies (from mature immune system) piggy backing defenses, nutrition: food from mother to infant, developmental window of opportunity, beneficial for mother shuts down ovulation cant get pregnant.
