Smoking can gradually and permanently damage blood vessels throughout
the body, including those that carry blood to the penis. This can make it
difficult to get or maintain an erection (impotence). Quitting smoking may help
prevent new damage from occurring inside the blood vessels.
Smoking can also affect a man's ability to get or maintain an
erection in other ways that are not well understood. Nicotine may make the
blood vessels narrower for a short time, making it more difficult to get enough
blood into the penis for a normal erection. Men who quit smoking often have
fewer problems achieving a normal erection.
Women who smoke take longer to become pregnant. But women who
quit smoking before they try to become pregnant are as likely to become
pregnant as women who have never smoked.
WebMD Medical Reference from Healthwise
July 06, 2011
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