NUTR 2050 Lecture Notes - Lecture 3: Fad Diet, Menopause, Insulin Resistance
10 Apr 2015
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Document Summary
Decline in lean mass; increase in fat mass. Life stage: adulthood (20-64) o o o o o. Hormonal changes menstruation) increased risk of cardiovascular disease and increase in abdominal fat muscle mass. Nutrients of concern listed in the text include fat, fibre, vitamin. E, calcium, magnesium; folic acid and iron for women. Energy needs are based on an individuals bmr (basal metabolic rate), thermic effect of food, activity thermogenesis menopause is associated with accelerated loss of bone mass, Men experience gradual decline in testosterone levels and decline in estrogen production lead to menopause (end of. 60-75% of daily energy expenditure is by involuntary process by internal chemical activities by brain, liver, heart etc. 10% of total energy is used for thermic effect of food (energy required for digestion absorption and metabolism of food) thermogenesis (energy expended by exercise and nonexercise activities)= most variable component. 20-40% of energy expenditure is due to activity.
