HSS 1101 Study Guide - Digestion, Degenerative Disease, Sarcopenia

• School: University of Ottawa
• Department: Health Sciences
• Course: HSS 1101
• Professor: All

Document Summary

Redefining aging discrimination against people based on age is known as ageism. Gerontology study of individual and collective aging processes, explores the reasons for aging and the ways in which people cope with and adapt to this processes. Age-related characteristics: biological age refers the relative age or condition of the person"s organs and body systems. Gerontologists have devised several categories for specific age-related characteristics: young-old 65 to 74, middle-old 75-84, old-old 85 and over. Theories on aging: biological theories: wear-and-tear like everything else in the universe, human body wears out. The more you abuse your body the faster it will wear out; cellular theory stated that at birth we only have certain number of usable cells programmed to reproduce and divide only a limited number of times. Once their circle ends they begin to die and organ deterioration starts to show; autoimmune theory attributes aging to the decline of the body"s immunological system, becoming less effective when fighting diseases;