Smoking Harms Sex Lives, Sperm Quality Men who smoke not only have poorer sperm quality than nonsmokers, but also have lower sex drives and less frequent sex...
Defective gene linked to male infertility A specific mutation on the Y (male) chromosome may be a cause of impaired sperm production in some men, according to researchers...
New technique promising for male infertility A new technique, in which immature sperm cells in mice are encouraged to develop into functioning sperm, might someday restore fertility to human males...
