Drinking urine is not harmful. It is sterile. It has no proven theraputic value though it is believed in some cultures that the drinking of a pregnant woman’s urine can increase fertility. Urine can and has been rlied upon by strnaded individuals when ther is no available water source. (although it is self depleting and will icrease in concentation). Feces on the other hand is dangerous to handle, eat etc. It contains bacteria which can result in sickness and death.