Men Who Can't Produce Sperm Face Increased Cancer Risk, Stanford-Led Study Finds

Men who are diagnosed as azoospermic - infertile because of an absence of sperm in their ejaculate - are more prone to developing cancer than the general population, a study led by a Stanford University School of Medicine urologist has found. And a diagnosis of azoospermia before age 30 carries an eight-fold cancer risk, the study says...