Circumcision refers to the surgical removal of the foreskin (prepuce) of the penis. In the United States, circumcision in infant boys is usually performed for cultural or religious reasons. In addition, infant circumcision provides some medical advantages. Studies indicate that uncircumcised boys under the age of five are 20 times more likely than circumcised boys to suffer infections of the urinary tract. Older boys undergo circumcision because of inflammation of the penis, for social reasons, to improve hygiene, and for a condition called phimosis (a tightening of the foreskin that may close the opening of the penis.) Often circumcision is done at the same time as other surgery. Beyond childhood, circumcised men are less likely to suffer phimosis. There are also indications that circumcised men are less likely to suffer from cancer of the penis or inflammation of the penis. There are also studies indicating that circumcised men have...