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随着人类社会的进步,医疗保健水平的提高,人类寿命在延长,老年人口显著增长,在一些发达国家已占当地人口的12—20％,人口老年化问题已被世界各国越来越重视。在我国,平均寿命由解放前的30余岁延长到目前的70多岁,60岁以上的老人总数至2000年将增至一亿三千万,1982年60岁以上老年人占人口7.6％,而到2025年将达到19.2％,其增长速度将超过同期人口的增长。因此老年病学作为一门新兴学科,已日益受到重视。对于老年的概念,目前国际上尚无统一标准,一般来说,国外以年满65周岁以上,而国内多数学者主张以年满60周岁以上称老年人,有的学者尚
With the progress of human society, the improvement of medical care, the extension of human life expectancy, the significant growth of the elderly population, which accounts for 12-20% of the local population in some developed countries and the issue of population aging has been paid more and more attention by all countries in the world. In our country, the average life expectancy has been extended from the 30 years before liberation to the present 70s. The total number of people aged 60 and above will increase to 130 million by the year 2000 and 7.6% of the population will be over the age of 60 in 1982, Which will reach 19.2% by 2025 and its growth rate will exceed the growth of the population in the same period. Therefore, geriatrics as an emerging discipline has received more and more attention. For the concept of the elderly, there is no uniform standard in the world. Generally speaking, foreign countries are over 65 years of age, while most domestic scholars advocate that the elderly over the age of 60 and some scholars