Circumcision should never be performed strictly because it seems to reduce the risk of sexually transmitted infections, experts agree, and it's important to note that circumcision should not be considered appropriate protection. Practicing safe sex, including using condoms, is still necessary to provide the best protection, whether a person is circumcised or not.

Still, many scientists are hoping that this new research may persuade recommending bodies, both in the United States and around the world, to give the circumcision's benefits another look.