The decreased risk may be due to changes in bacteria on and around the penis . A high burden of bacteria may disrupt specialized immune cells . In a study published last year, researchers found that men who had sex with multiple partners were more likely than those who did not have such relationships to develop urinary tract infections.
The decreased risk may be due to changes in bacteria on and around the penis . A high burden of bacteria may disrupt specialized immune cells . Uncircumcised men are more likely to transmit HIV than circumcised men .