HE101 Lecture Notes - Lecture 27: Sarcopenia, Healthy Diet, Amnesia
Document Summary
Aging: paterns of life changes that occur in a species as they grow older. Ageism: discriminaion based on age: bias percepions of what it means to be old. Gerontology: study of aging processes: why people age, how people adapt to aging. Several terms used to describe age or life-stage. Chronological age based on year of birth. Biological age relaive age or condiion of body. Average number of years of life remaining for a populaion of individuals, all of the same age. Many factors inluence life expectancy including: gender, race, death of infants and children through infecious disease. In canada; ranks 12th in the world: women: 84. 1yr, men: 78. 8yr. Psychological age refers of adapive, coping capaciies. Social age habits and roles relaive to society. Funcional age how people compare to people of similar age. Tradiionally aging viewed as one dimensional: stage of physical decline. Old age - 65 years = government assistance: young old (65-74), middle old (75-84) and old-old (85+)
