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Productive aging refers to activities which older people engage in on a daily basis. Older adults have opportunities and constraints which are related to the productive aging process. The community and society need to develop more options for older adults to choose their way of being engaged in the community and contributing to others.
The body uses resources derived from the environment for metabolism, for reproduction, and for repair and maintenance, and the body must compromise when there is a finite supply of resources. The theory states that this compromise causes the body to reallocate energy to the repair function that causes the body to gradually deteriorate with age.
This is an accepted version of this page This is the latest accepted revision, reviewed on 13 February 2025. Biological process of getting older This article is about ageing specifically in humans. For the ageing of whole organisms including animals, see Senescence. For other uses, see Ageing (disambiguation). Part of a series on Human growth and development Stages Gamete Zygote Embryo Fetus ...
Aging in place without urgent needs: This group includes individuals who want to stay in their current home, are not experiencing immediate health/mobility issues, and prefer aging in place. Aging in place with progressive condition-based needs: This group is made up of those with chronic or progressive conditions that will require special ...
Gerontology (/ ˌ dʒ ɛr ən ˈ t ɒ l ə dʒ i / JERR-ən-TOL-ə-jee) is the study of the social, cultural, psychological, cognitive, and biological aspects of aging.The word was coined by Ilya Ilyich Mechnikov in 1903, from the Greek γέρων (gérōn), meaning "old man", and -λογία (), meaning "study of".
1977 To explain aging, Thomas Kirkwood proposed the disposable soma theory. According to the theory, the organism has only a limited amount of resources that it has to allocate between different purposes (such as growth, reproduction, repair of damage). Aging occurs due to the limitation of resources that the body can afford to spend on repair. [4]
Aging has a significant impact on society. People of different ages and genders tend to differ in many aspects, such as legal and social responsibilities, outlooks on life, and self-perceptions. People of different ages and genders tend to differ in many aspects, such as legal and social responsibilities, outlooks on life, and self-perceptions.
Population ageing is a shift in the distribution of a country's population towards older ages and is usually reflected in an increase in the population's mean and median ages, a decline in the proportion of the population composed of children, and a rise in the proportion of the population composed of the elderly.