old age


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Related to old age: dementia

old age:

see geriatricsgeriatrics
, the branch of medicine concerned with conditions and diseases of the aged. Many disabilities in old age are caused by or related to the deterioration of the circulatory system (see arteriosclerosis), e.g.
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old age

the last part of the individual LIFE COURSE, associated with declining faculties, low social worth and detachment from previous social commitments. It is a social construct rather than a biological stage, since its onset and significance vary historically and culturally. See also AGEING, GERONTOLOGY.

Old Age

 

the period of life that inevitably sets in after middle age and is characterized by significant metabolic, structural, and functional changes in organs and systems that limit the adaptability of the body. Old age is a result of the dynamic process of aging. According to one system of age classification, 75–90 years of age is considered old age, and over 90, advanced old age.

An individual’s physical appearance, work capacity, and mental abilities change with old age, as does the course of many diseases. The skin becomes thinner and less elastic, and wrinkles and pigment spots appear. The hair turns gray and falls out. Visual acuity decreases, and lenticular opacity develops, often resulting in the formation of cataracts. An individual may grow shorter, and curvature of the spine is common. Joint mobility is limited, and bones become fragile and lose calcium. Mental performance declines, and a person becomes more easily fatigued, less able to recall recent events, and subject to sleep disturbances.

Because of their adaptive mechanisms, some old people can maintain a high level of intellectual activity for a long time and remain alert and creative. With old age, organs and tissues are less influenced by neural factors but are more sensitive to humoral influences. Age-related changes in the vascular wall and in protein and lipid metabolism contribute to the progression of atherosclerosis. Changes in digestion may cause vitamin deficiency. The rate of aging and extent of changes in organs and tissues vary with each individual. (For changes that occur with aging on the cellular level and in functional systems see.)

V. V. FROLKIS

old age

[′ōld ′āj]
(geology)
The last stage of the erosion cycle in the development of the topography of a region in which erosion has reduced the surface almost to base level and the land forms are marked by simplicity of form and subdued relief. Also known as topographic old age.
References in periodicals archive ?
Talking to ANI, Suketu Nagarwadia, a trustee of Jeevan Sandhya old Age home, says, "Today, people need free maid service, so they keep their mothers with them as they can do household works and even take care of their children.
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The sample consisted of 60 subjects divided into four experimental groups; 30 male,30 female,15 early old age male (60-74 years),15 late old age male (75 years and above), & 15 early old age female (60-74 years) and 15 late old age female (75 years and above).
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Robin Jacoby, Oxford University professor emeritus of old age psychiatry, has also helped with writing the book which includes specimen letters, notes and checklists, and provides guidance on assessing and challenging mental capacity in wills, and offers helpful background information on old age psychiatry.
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Be grateful because you have a rich and rewarding old age.
I will know old age has come, When I lose urge To see what is round the corner, And I let dream and reality merge I will know I have reached old age, When I neglect to turn page Of my newspaper to disagree With what politicians say.
Like many collections, the essays in this volume have been generated from papers first presented at a conference, in this case at the University of Tampere in 2005, which examined issues of ageing, old age, and death in ancient and medieval societies.
Summary: TEHRAN (FNA)- A new study showed compelling evidence that associations between cognitive ability and cortical grey matter in old age can largely be accounted for by cognitive ability in childhood.