To investigate the senility delaying effects of Kidney nourishing and Life prolonging Capsula,patients with deficient kidney qi were divided into treatment group treated with the capsula and control group treated with placebo.Scores for senile symptoms and serum cortisol were measured to observe the effect of the capsula on deficient kidney qi.Results showed better effects in treatment group than in control group,scores falling obviously,serum cortisol increasing significantly,revealing that the capsula can delay senility.
