Five Theories Of Aging

Introduction
The course of aging is an intricate part of the human development process. Aging comprises the phases of life from birth until death, and there are multiple stages which involve physical, emotional, and mental growth (Bigner & Grayson, 2010). There are five theories that explain why the human body ages; these include the cellular clock theory, the free radical theory, the mitochondrial theory, the autoimmune responsiveness theory, and the hormonal stress theory (Bigner & Grayson, 2010). Each of these theories posits the reasoning behind the complex processes that cause aging. As people age, they ultimately experience losses. One theory proposed to help better understand the complicated aging process is known as the selection, optimization,

It is a complex process that is only just being identified and explored by scientists. Age progression involves a degeneration of physical functions, and even as soon as early adulthood we may notice subtle changes. As a person advances in age, more aging signals are observed; it may be a grey hair, a few wrinkles, or even a shortfall in memory. Researchers continue to look for what causes these changes. They attempt to answer the questions of aging; is it reversible, and if so, for how long? There are several theories that attempt to explain the

Firstly, there is a decline in quality and quantity of biological resources that come with aging (Bigner & Grayson, 2010). Secondly, there is a need for an increase in culture with age. Thirdly, with aging comes a decrease in the efficiency of our cultural interventions (Bigner & Grayson, 2010). Lastly, there are a lack of cultural support systems for the elderly. These decrease as our age increases (Bigner & Grayson, 2010). The SOC theory is also influenced by personality; the more neurotic, the lower the SOC score, and the more someone is invested in his or her own life, the higher the SOC score (Bigner & Grayson,