Original sentence: It has spread into Western culture, and peaked in the early 80s.Male circumcision involves the removal of the foreskin
Edited sentence: It has spread into American culture, and peaked in the early 80s.Male circumcision involves the painful removal of the foreskin, which contains important nerve endings.There are no reliable studies showing that there are any health benefits (though whether there are is a moot issue due to it not being reasonable to sever part of a child's body to "protect" it from potential future problems - hence why healthy childrens' legs aren't generally chopped off to prevent potential future infection) but there are numerous studies that show many dangers, as evidenced by the National Organisation of Circumcision Information Resource Centers and many other sources)