Medicine and Healthcare. Black stools can be due to iron supplements or excess iron in the diet. The most serious cause of black stools is bleeding in the GI tract, due to ulcers or some other cause. If the stool is black due to blood, it usually has a tarry feel. If there is just a black color, most likely it is not blood.
Yes, but most doctors will not do it that early. Yes, a vasectomy can be performed on an 18 year old, depending on the circumstances. Yes, a vasectomy can be performed on an 18 year old, depending on the circumstances. 1 year ago by Stephen F. Shaban, MD.
While itâs possible for vasectomies to be reversed, treatment offered up isnât always successful. The NHS explains: âIf a reversal is carried out within 10 years of your vasectomy, the success rate is about 55%. âThis falls to 25% if your reversal is carried out more than 10 years after your vasectomy.â.