Health Sciences 2711A/B Lecture Notes - Lecture 1: Old Age, Social Insurance, Baby Boom
8 Feb 2016
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Document Summary
Aging begins long before the physical signs become obvious. Indicators of aging: chronological age, functional capacity, life stage (used to classify people into groups) Used to determine eligibility for programs (e. g. canada pension) Remains dominant as the legal definition of when a person becomes older . Observable individual attributes to assign people to age categories. Life stages are broad age categories loosely based on ideas about effects on aging. Middle age- when most people first become aware that physical aging has noticeably changed them. Later adulthood- when declines in physical functioning and energy availability begin. Old age- begins around late 70s to early 80s, characterised by physical frailty, slower mental processes, activity restrictions. Life span- the theoretical limit on the length of life (115-120 years) Life expectancy- average number of years a member of an age category is expected to live given the base-year mortality rates. Young children and older adults as % of global population.
