NTR 109 Lecture Notes - Lecture 10: Negative Energy, Underweight, Malnutrition
2 Dec 2018
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Document Summary
Based on three components: basal metabolic rate (bmr) {60-75%, physical activity {15-35%, thermic effect of food (tef) {5-10%} Physical activity: increases energy expenditure beyond bmr, varies widely among individual, type of activity, duration, intensity, more activity, more energy burned, lack of activity is the major cause of obesity. Thermic effect of food: energy used in digestion, absorption and transfer of nutrients, 100-150 kcals/day. Lean tissue - bmr (can control this: muscle) This is the 1st generation that will have worse health problems than the generation before. Health risks associated with obesity: hypertension, type 2 diabetes, cardiovascular disease, cancer, degenerative joint disease (from carrying excess body wt commonly knee joint, low self-esteem, liver problem, sleep apnea. Based on how you feel, weight history, fat distribution, family history of obesity- related disease, current health status, and lifestyle. Wt-for-ht standard most closely related to body fat content. May overestimate in individuals with more muscle tissue and short adults.
