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.
A vasectomy is a minor surgery for male sterilization, or permanent birth control. In a vasectomy, a urologist cuts and closes off the two vas deferens. The vas deferens are tubes that carry sperm from the testicles to the urethra. The sperm are ejaculated in the semen during intercourse. After a man has a vasectomy, he will still produce sperm, but the sperm do not move out of the testicles. A vasectomy is considered permanent contraception.