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How can tobacco cause infertility?

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Smoking may cause infertility in both men and women. In studies with animals, nicotine blocked sperm production and shrank the size of male testicles. In women, tobacco changes the cervical mucus and the way sperm reaches the egg.

Reviewed by Carol DerSarkissian on May 15, 2018
Reviewed by Carol DerSarkissian on May 15, 2018

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How can marijuana cause infertility?

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