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.
Vasectomy is a simple operation that makes a man sterile, or unable to father a child. The procedure blocks or cuts the tubes that carry sperm from the testicles. After vasectomy, sperm cannot be mixed with semen, which is the fluid a man ejaculates during orgasm.Semen is not made in the testicles, and vasectomy doesnât affect the semen or how it is ejaculated.Itâs just that after vasectomy, a manâs semen contains no sperm, so he cannot make a woman pregnant.asectomy is a simple operation that makes a man sterile, or unable to father a child. The procedure blocks or cuts the tubes that carry sperm from the testicles. After vasectomy, sperm cannot be mixed with semen, which is the fluid a man ejaculates during orgasm.