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, aging
the change of properties that occurs in some metals after heat treatment or cold working


the chronological process of growing physically older. However, there is also a social dimension in which chronology is less important than the meanings attached to the process. Different cultural values and social expectations apply according to gender and age group, and therefore there are socially-structured variations in the personal experience of ageing.

EISENSTADT (Generation to Generation, 1964) studied the political role of age groups and argued that age stratification is an important stabilizing influence in societies where:

  1. two sets of values coexist within the social structure – the particularism of family ties and the universalism of the public division of labour (here age groups act as buffers between the public and the private domain and give members solidarity and support as well as orienting them to the adult world of work); and
  2. the opportunity for the young to have full participation in adult society is blocked by systems of KINSHIP and DESCENT (here the age group becomes the basis for status and also power struggles between the generations).

In DEMOGRAPHY the terms ageing society and youthful society are used to indicate the age composition of the population. A youthful society is one in which there is a preponderance of people in young age groups (under 15 years) because of a high BIRTH RATE and low LIFE EXPECTANCY. An ageing society is one in which reductions in the birth rate and greater longevity have resulted in a rising proportion of the population belonging to the older age groups. For example, CENSUS data for the UK shows that in 1911 men over 65 years and women over 60 years comprised 6.8% of the population, whereas in 1981 they comprised 17.1%.

The growing proportion of older people in the population, and the spread of early retirement, has led to age being perceived as a social problem. Older people are subject to negative stereotyping and diminished SOCIAL STATUS. Even academic discourse promotes negative imagery through such terms as ‘burden of dependency’ and ‘dependency ratio’, which refer to the number of economically inactive older people in relation to the number of economically active younger people whose labour provides the services consumed by the older generation. In the US, AGEISM has become a political issue through the emergence of movements, such as the Grey Panthers, determined to safeguard the citizen rights of older people and counter the negative imagery of old age promoted by the commercialization of youth. See also MIDLIFE CRISIS, YOUTH CULTURE.


British variant of aging.

aging, Brit. ageing

1. The progressive change in a chemical and physical material with increased age; in natural rubber and synthetic elastomers, usually marked by a deterioration caused by oxidation. Also see accelerated aging, age hardening, age softening.
2. The storing of varnish to improve clarity and gloss.
References in periodicals archive ?
These changes in the form of telomere shortening and alterations of mitochondrial DNA (mtDNA), are important in the aging process, and this new research provides evidence that psychosocial factors--specifically childhood adversity and psychiatric disorders-- may also influence these cellular changes and could lead to accelerated aging.
The above mentioned are a few of the most thoroughly studied and effective natural pharmaceutical extracts that scientists have been known to suggest as being the most effective when it comes to slowing down the cognitive aging process.
brings together contributors from around the world, who consider the aging process from a global perspective.
The mitochondria contains their own DNA, which changes more than the DNA in the nucleus, and this has a significant impact on the aging process," clarified the study leader Nils-Goran Larsson, Ph.
Park, the aging process is directly linked to "telomeres," protective pieces contained at the end of our chromosomes.
The role of personal choice becomes the foundation of the text to guide one to change the manner by which he/she experiences the aging process.
As our bodies age, our ability to defend against environmental insults diminishes, and exposures can accelerate the aging process and trigger or exacerbate disease.
Its mission is to develop diagnostic and therapeutic drugs to treat the central disease pathways that cause degeneration of the brain as the aging process progresses.
The physiological changes associated with the aging process may require educators to modify their teaching methods and classroom environments for the adult learner.
BUYER BEWARE: A new booklet by the AARP Andrus Foundation and International Longevity Center-USA warns consumers about false claims and bogus remedies that promise to stave off the aging process.
The title refers to the aging process in the farming of tobacco for shipment and sale.
Salivart[R] Synthetic Saliva relieves dry mouth associated with head and neck radiation therapy, chemotherapy, Sjogren's syndrome, drug therapies, oral surgery, Bell's palsy, saliva gland infection, mouth or throat inflammation, and the normal aging process.