Which Is the Best Summary Concerning Theories of Aging

Which is the best summary concerning theories of aging. In this module however we will only discuss three major theories of aging.

Chapter 13 Aging And The Elderly Introduction To Sociology 2nd Canadian Edition

Occur exclusively in infancy.

. Biological Theory - aging is a predetermined and timed phenomenon NOT RANDOM Programmed Aging Theories Suggest that aging is the result of predictable cellular death. The image below shows different mechanisms that have been proposed to explain aging. There have been many theories answering that one question and few are right and some still have to be proven.

The biologic theories can be subdivided into two main divisions. There are three classic theories of aging within the conflict perspective. More psychological events than physical events.

Aging is associated with changes in dynamic biological physiological environmental psychological behavioral and social processes. -include testosterone estrogen and Human growth hormone. - disease may accelerate aging.

Gene Theory which considers aging to be the result of a sequential switching on and off of certain genes with senescence being defined as the time when age-associated deficits are manifested. Too complicated to study. The disengagement theory is the process of individuals withdrawing and isolating from prior social interactions due to age.

Chemistry is behind aging. The free radical theory provides one explanation for cell damage. Modernization theory Cowgill and Holmes 1972 suggests that the primary cause of the elderly losing power and influence in society are the parallel forces of industrialization and modernization.

Theories that suggest that the bodys DNA genetic code contains a built-in time limit for the reproduction of human cells are called the genetic programming theories of aging. There are three classic theories of aging within the conflict perspective. Some age-related changes are benign such as graying hair.

Free radicals are unstable molecules produced by the body during the normal processes of respiration and metabolism or following. Modernization theory Cowgill and Holmes 1972 suggests that the primary cause of the elderly losing power and influence in society are the parallel forces of industrialization and modernization. Recent studies suggest that cellular senescence might be a cellular model of organismal aging.

- a molecular theory of aging. 3 Cross-linking theory. According to the programmed theories aging and death are the result of a gradual buildup of damage to cells and organs.

Autoimmune Theory which states that the immune system is programmed to decline over time leading to an increased vulnerability to infectious disease and thus ageing and. Genes associated with aging such as Alzheimer Disease do not. Disengagement theory views aging as a process of mutual withdrawal in which older adults voluntarily slow down by retiring as expected by society.

-biological clocks act through hormones to control the pace of aging. Serve the same function in infancy adolescence and old age. 2 Endocrine Theory where biological clocks act.

These theories promote the view that the cells of the body can only duplicate a certain number of times and that the genetic instructions for running the body can be read only a certain number. People aging isnt magical aging is scientific. Evolutionary psychology emphasizes the importance of natural selection.

Two major theories explain the psychosocial aspects of aging in older adults. A combination of damage and programmed theories is the best explanation As a typical 7-year-old Masterson has likely understands the basics of every death concept except. Understanding the Dynamics of the Aging Process.

This is one of the oldest theories put forth and was originally posited. -aging is the result of the sequential switching on and off of certain genes. CELLULAR THEORIES The cellular theories propose that aging is a process that occurs because of cell damage.

- disease and aging interact. The first theory is that we live as long as we do because our genes determine how long we live. Cellular senescence DNA damage and telomere shortening.

Cellular theories propose that aging is a process that occurs because of cell damage. That is those genes that allow one to survive and reproduce will be more likely to be transmitted to offspring. The cross-linking theory of aging was proposed by Johan Bjorksten in 1942.

- aging makes disease more likely. The free radical theory The crosslink or connective tissue theory Clinker theory The wear and tear theory. - cells undergo programmed cell death normal process through out life that accelerates with age.

-include human genome and genetic theories of aging. Others result in declines in function of the senses and activities of daily life and increased. Proponents of disengagement theory hold that mutual social withdrawal benefits both individuals and society.

1 Programmed Longevity which considers ageing to be the result of a sequential switching on and off of certain genes with senescence being defined as the time when age-associated deficits are manifested. Researchers believe that it is most likely a combination of many genes that affect the rate of aging. When enough cells are damaged overall functioning of the body is decreased.

Stochastic theories explain aging as events that occur randomly and accumulate over time whereas nonstochastic theories view aging as certain predetermined timed phenomena Box 22. When enough cells are damaged overall functioning of the body is decreased. As societies modernize the status of elders decreases and they are increasingly likely to experience social.

Proposes that aging is a function of changes in the immune system the immune system weakens over time making an aging person more susceptible to disease also proposes that the increase in autoimmune disease and allergies seen with aging is caused by changes in the immune system. According to this theory an accumulation of cross-linked proteins damages cells and tissues slowing down bodily processes resulting in aging. As societies modernize the status of elders decreases and they are.

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