Senility of the human body was a process of degeneration by degress.Senility mainly derives from the insufficiency of both the five viscera and disturbance of Qi and blood interaction in TCM.In particular,the effects of the liver on the physiology and pathology in the human body should not be neglected,because the liver was characterized by “its body pertaining to Yin with its function to Yang.”Both malfunction of liver qi and malfunction of the liver in storing blood may lead to senility.From what was mentioned above,we can draw a conclusion...