Aging is any change in an organism over Aging refers to a multidimensional process of physical， psychological， and social change (Hultsch and Deutsch) Some dimensions of aging grow and expand over time， while others Reaction time， for example， may slow with age， while knowledge of world events and wisdom may expand (Schaie) Research shows that even late in life potential exists for physical， mental， and social growth and Aging is an important part of all human societies reflecting the biological changes that occur， but also reflecting cultural and societal Age is usually measured in full years — and months for young A person's birthday is often an important The term "aging" is somewhat Stuart-Hamilton (1994) notes how distinctions may be made between "universal aging" (age changes that all people share) and "probabilistic aging" (age changes that may happen to some， but not all people as they grow older， such as the onset of Type Two diabetes) Chronological aging， referring to how old a person is， is arguably the most straightforward definition of aging and may be distinguished from "social aging" (society's expectations of how people should act as they grow older) and "biological aging" (an organism's physical state as it ages) Stuart-Hamilton also notes distinction between "proximal aging" (age-based effects that come about because of factors in the recent past) and "distal aging" (age-based differences that can be traced back to a cause early in person's life， such as childhood poliomyelitis)Differences are sometimes made between populations of adults; as McFadden (2005) points out， divisions are sometimes made between the young old (65-74)， the middle old (75-84) and the oldest old (those aged 85 and above) However， as McFadden notes， problematic in this is that chronological age does not correlate perfectly with functional age， two people may be of the same age， but differ in their mental and physical Population ageing is the increase in the number and proportion of older people in Population aging has three possible causes: migration， longer life expectancy (decreased death rate)， and decreased birth The societal effects of age are Young people tend to commit most crimes， they are more likely to push for political and social change， to develop and adopt new technologies， and to need Older people have different requirements from society and government as opposed to young people， and frequently differing values as Older people are also far more likely to vote， and in many countries the young are forbidden from voting， and thus the aged have comparatively more political 具体的你看 吧
(你所给的题目意思)最近，老龄化问题日渐加重，你认为这是否会成为正面或负面影响 老龄化问题被称为一个最严重的问题，在今天的世界。老人们可以随处可见。作为结果表明，在图形中，有多少人在世界上年龄超过60的将增加至600万，到本世纪末。和由时间，也将两倍，很多人年龄超过80 。在十年之间， 1970年和1980年，有7 ％的增幅有多少人年龄超过65 ，在工业世界，一个更大的增加2 ％ ，在发展中世界。 随着经济的发展，崛起在人民群众的生活水平和改善医疗条件，人民生活水平增加。此外，人口出生率正在下降，这样的结果是，人口的增长放缓。因此，老人数目的人在世界上正经历着增加。虽然增加将导致多方面的社会和经济后果，我们可以采取切实有效的措施去处理。因此，我相信美好的明天，为老人们将通过努力，每个人的。 Recently the proportion of older people has Do you think it will have positive or negative effects as a whole The problem of old age is known as one of the most serious problem in today’s The old people can be seen As is shown in the graph， the number of people in the world over the age of sixty will have increased to 600 million by the end of this And by the time， there will also be twice as many people over the age of In the ten years between 1970 and 1980， there was a 7% increase in the number of people aged over sixty-five in the industrial world， and an even bigger increase of 2% in the developing With the development of economy， the rise in people’s living standards and the improvement of medical conditions， people are living longer and Furthermore， birth rates are falling as the pace of population growth slows As a result， the number of old people in the world is experiencing an Though the increase will cause manifold social and economic consequences， we can take effective measures to deal with So I believe a bright tomorrow for old people will be achieved through efforts of every
Summary: China has already entered the aging population society at present， with the increase and extension of human life-span of old population， the elderly's health status and life quality cause people's attention more and Research indicates， happy in old age when the elderly's life quality influences the elderly The elderly's life quality is important indexes of weighing result of supporting parents， and the subjective happiness sense is the important index of influencing the elderly's life Study the subjective happiness sense of the elderly， facilitate improving their life quality， reflect the harmonious society's human-oriented essential We mainly regard the elderly in the urban area of Xuzhou as the research object， study their subjective happiness sense state by questionnaire investigation and case interview， understand its subjective happiness sense's overall state and influence The result of study shows: According to overall situation， subjective happiness sense levels of the elderly are relatively high; The elderly that the individual character is comparatively optimistic， its sense level of subjective happiness is relatively high; The elderly of the marriage with better relation， its sense level of subjective happiness is relatively high; The elderly with better economic situation， its sense level of subjective happiness is relatively high; Different factors have different influence on subjective happiness sense of the elderly on function， other factors influence the subjective happiness sense through the individual Keyword: The elderly， happy sense， subjective happiness sense， social work
