HLTHAGE 1BB3 Lecture Notes - Lecture 6: Epidemiological Transition, Jeanne Calment, Maximum Life Span
23 Apr 2017
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Lecture 6: the aging body - personal health and illness. Maximum life span: the max number of years a member of the species can live. Life expectancy: the number of years at birth an average member of the population can expect to live. Extrinsic aging: changes due to external circumstances, including the effects of smoking, sunlight, and noise. Theories of biological aging: programmed theories (genetic aging): action of a person"s genes to find the source of aging. They look to cells. programmed cellular senescence endocrine theory immunological theory: error theories (cellular damage that accumulates over time): by-product of mistakes or errors in the body. Can come about through normal cell function or external sources. Sarcopenia, lose bone density, lose muscle strength, osteoporosis. In 2012, 44% of seniors reported their health to be very good or excellent. 89% of seniors say they are satisfied with life.
