Fight against old age.
D000368:Aged; D001683:Biological Clocks; D006728:Hormones / Q000502:physiology; D006801:Humans; D008017:Life Expectancy; D011343:Procaine / Q000627:therapeutic use; D012060:Rejuvenation; D014815:Vitamins / Q000378:metabolism
D006728:Hormones; D014815:Vitamins; D011343:Procaine