Content preview:
Since ancient times, people have never given up the pursuit of longevity. With the improvement of living standards, health has been put on the agenda. However, nature always seems to play jokes on human beings. Although new drugs are being developed around the clock, diseases are emerging like Pandora's box.
It seems that no one can tell how big the limit of life is. According to historical records, Sun Simiao, the drug king, lived for over 100 years, and Laozi, a famous philosopher in China, lived for over 160 years. Zhuan Xu's great-grandson Peng Zu lived for about 800 years. Whether the above figures are accurate or not, one thing we must admit is that people's natural life span should be much longer than now. There is a saying in Huangdi Neijing that "people who live to be 100 years old will die", which means that people can live to be 100 years old. Shangshu holds that "long life is 120 years old", which means that people can live to 120 years old. Modern science also confirms this. When scientists study mammals, they come to a conclusion: the life span of mammals is equivalent to 5 ~ 7 times of the growth period. If the growth period of a horse is 5 years, then its life span is 30 ~ 40 years; The growth period of dogs is 2 years, and the life span is 10 ~ 14 years. According to this result, human growth period is 20 ~ 25 years, and life span should be 100 ~ 175 years. ...