From the CDC
Circumcision lowers the risk of HIV infection.
Circumcision also reduces the risk of other STDs.
How does circumcision affect the economy? less STDs = less medical costs
Circumcision reduces the risk of prostate cancer
Thankfully most americans are smart enough to get the cut. Sadly the same can't be said for here in Canada. But why does America have a higher STD rate than Canada and Europe? It could be that their universal health care system reduces the incidence of STD infections
For example if i got the clap today I could go to the clinic tomorrow and get cured free of charge the same can't be said for americans where clinical costs and pharmacological costs could run you into the thousands.
I have a friend who had his circumcision when he was 21 because his foreskin kept tearing during sex. The cost of the operation was much much more expensive (and painful) had he had when he was younger.
Does circumcision effect sexual performance? not in the slightest.
How does male circumcision look around the world? Well, the middle east, which has an almost 100% circumcision rate has a lower HIV rate than Northern Europe, a region with 1st world health care and education but where male circumcision is non-existent.