How Can Men Become Sterile?

Answer

One of the main causes of sterility in men is infected semen or overheating of the testicles. Taking very hot baths or being over weight reduces sperm production. Other things also effect sperm count, such as: very frequent intercourse (2-3 times a day), smoking, drinking and other drug use, excess fluid around the testicles or anatomical defects. A man is most sterile when he goes three days between each ejaculation.
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