Circumcised men's penises sustain fewer cuts, abrasions, and other minor sex-related injuries during intercourse, a new study finds—which could explain why circumcised men are less likely to get HIV during unprotected sex than uncircumcised men. Researchers analyzed data from an HIV study in Africa that followed 2,800 men, noting their penile status and STD history. They found that circumcised men were 39% less likely to report a penile injury, controlling for other factors, reports Reuters.
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