A Study of Mental Declination with Aging Among the Retired Servicemen Tested in Nuan-nuan Center

The human individual. is endowed with mortal life and the senseless. time compels him to become old. Since the beginning of the human history, mankind has endeavored to resist or delay this inevitable fate by studying the reasons of aging or death. A tale of Chinese mythology tells that five thousand years ago Sheng-Nung Sze cured sickmen with medicinal herbs. This, in the history of China, was the first account of the attempt to prolong human life. The problems on life have been discussed among the ancient and modern philosophers all over the world. Some powerful kings in history who wished to become immortal, spent enormous amounts of money to investigate the medicines to prevent .themselves from death.