Relativity of Young and Old

1734 Words Jan 19th, 2014 7 Pages
1. Explain the relativity of “young” and “old” There are many similarities as well as differences between the elderly and young adults. The most common factor in both of these groups it seems is the overwhelming ability for being narrow-minded Young adults as well as the elderly both think they know everything If you listen to the elderly many do become wise but many others seem to get stuck in their past On the other hand young adults readily accept changes in their world Thanks to the Internet today’s younger generation knows quite bit more than their grandparents knew at the same age because of this Another evident contrast between the elderly and the youth is their outlook …show more content…
Or put another way, traits that benefit early survival and reproduction will be selected for even if they contribute to an earlier death. Such genetic effects are called antagonistic pleiotropy. "Antagonistic" refers to the impact on fitness in the young, which is positive, and the negative effect on the old. Genetic pleiotropy refers to genes that have multiple effects. Antagonistic pleiotropy has been identified both in model organisms and in humans.

In some cultures there are other ways to express age: by counting years with or without including current year. For example, it could be said about the same person that he is twenty years old or that he is in the twenty-first year of his life. In Russian the former expression is generally used, the latter one has restricted usage: it is used for age of a deceased person in obituaries and for the age of an adult when it is desired to show him/her older than he/she is. The concept of successful ageing can be traced back to the 1950s, and was popularised in the 1980s. Previous research into ageing exaggerated the extent to which health disabilities, such as diabetes orosteoporosis, could be attributed exclusively to age, and research in gerontology exaggerated the homogeneity of samples of elderly people.
Successful ageing consists of three components:
1. Low probability of disease or
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