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Penis Health & Penis Conditions | Cleveland Clinic penis out

When a man becomes sexually aroused, nerves cause penis blood vessels to expand. More blood flows in and less flows out of the penis.

Medical experts reveal interesting facts about the penis that men and women will find educational -- and surprising.

It is important not to try to force the penis out of the vagina. Doing so can hurt one or both partners. It is also important not to try to open the.

Understand the factors that affect penis health and how to identify problems. Find out the most common penis problems and strategies to.

Many men worry their penis is too small. Find out what the average penis size is, and how most women are not interested in penis size.