Can manage and ache waist the knees bark of eucommia tea it,benefit precise, muscles and bones, the will not strong not hard in not mending, except that the overcast to lay and to itch is wet, urinate I drip, long and dirty making light of ones life by commiting suicide and able to bear old, foot the acid aches, does not want to trample the ground , manage the kidney and work , the back is twin;