Chapter 2 Flashcards
Can any single factor cause or prevent aging
No
Can any one theory explain aging
No
Are any two individuals identical
No
What processes of aging are interrelated
Bio, psycho, and social
Stochastic theories
Biological Aging is based on random internal and external assaults
Free radicals
Biogerentology
Free Radicals theory
Aging is due to oxidative metabolism and free radicals.
Physical decline of the body occurs when damage from free radicals accumulate.
Damage and replace normal process.
Biogerentology
Pathogens may cause physiological changes during aging.
Pathogens may be present in body for years before doing harm.
Nonstochastic Theories
Biological Aging Caused by predetermined process
Genetic Theories
Autoimmune Reactions
Nutrition Theories
Environmental Theories
Genetic Theories
Programmed theory-state humans and animals have biological clock
Autoimmune Reactions
Immune system less effective as we age
Evidenced by increased infections and cancer in older age
Nutrition Theories
Healthy eating is important for aging
Obesity increases risk for many diseases. Speeding up aging process and shortening life.
Environmental theories
Environmental factors such as air pollutants, pesticides, etc can negatively impact aging.
Sociological Theories
Disengagement Theory
Activity Theory
Disengagement Theory
Gradual disengagement btw elderly and society as they age
Transfer of power form young to old
Was discredited
Activity Theory
Elderly should live like they ate middle aged
Deny being old as long as possible
Activity is good for physical, social and mental health
Used mental activities when limited physically
Switch work roles for something else when retired
Make new friends when lose old ones