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随着社会的发展,人们生活水平的提高,人类寿命越来越长,百岁老人并不罕见。然而,人应该活到多大年龄,也就是人类的自然寿命究竟是多少,是大家普遍关心的问题。这一问题,目前还没有定论。根据生物学原理,
With the development of society, the improvement of people’s living standards and the longevity of human beings, the centenarians are not uncommon. However, how old people should live, that is, how much their natural life expectancy is, is a matter of universal concern. This issue is not yet conclusive. According to the biological principle,