ANTH 350 Lecture Notes - Lecture 17: Bone Marrow, Scurvy, Puberty
Document Summary
Adequate nutrition ensures you reach developmental milestones, full growth potential. Too little nutrition delays maturation leads to small body size, susceptibility to disease. Too much nutrition leads to obesity, susceptibility to disease. Ex: scurvy: need nutrition most during childhood, early adolescence, puberty metabolically expensive. This is part of the reason anorexia is so huge in adolescence. If you have it as teen, big problem because this is when you grow. As a result you can delay sexual maturation, or never have it at all because there isn"t enough nutrients in your body: some scientists suggest long periods of poor nutrition leads to small stature in populations. Assumes no other biological cost problem: socioeconomics. Affects access to proper nutrition, health care, promotes disease. Obesity can be exception often happens in high soci-economic. Rural eat less calories, do more physical labor. People in rural environments would have more children because it would be helpful in agriculture.
