HUMNNTR 2210 Lecture Notes - Lecture 26: Lean Body Mass, Osteoporosis, Lactose Intolerance
3 Dec 2016
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Document Summary
85+ fastest growing population: 2050 will reach 19 million. People over 65: account for 13% of the us population, account for ~25% of all prescription medication, account for 40% of all hospitalizations, account for 50% of federal health budget. 80% or more have chronic conditions, such as cardiovascular disease, type 2 diabetes, hypertension, and osteoporosis. Process of slow cell death : cells age and die, aging body can no longer replenish cells or meet physiological demands. Organs retain reserve capacity: maintain normal function with decreased cell number or activity for a while, after reserve capacity is exhausted, function decreases. Body cells age, no matter what health practices we follow. To a considerable extent, a person can choose how quickly they age. Usual aging typical, expected part of aging: increasing fatness, decrease lean body mass, unhealthy lifestyle influenced. Successful aging: declines that occur only because we grow older, healthy lifestyle throughout life.
