The Foreskin HowStuffWorks

The Foreskin - The foreskin is the part of the penis anatomy that we're talking about in circumcision. Take a look at the foreskin and what its role is for a man.
Snip, snip -- that's the sound of a baby losing his foreskin. Circumcision is a common medical practice in many parts of the world. Where did this tradition come from? And is it something we should stop?

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