People with a penis may choose to temporarily or permanently block sperm from coming out when they ejaculate. Currently, research suggests that holding in sperm is not harmful. Some people may choose ...

Scientists at Cornell University may be closing in on the long-sought “holy grail” of male contraception: a safe, reversible, nonhormonal method that completely halts sperm production. In a ...

There are countless facts regarding sperm, the male reproductive cells. For this reason, it can be hard to split truth from myth. Although many people have some knowledge about sperm, many ...