Recent research has shown that the human penis has genuine immunological functions in which the foreskin plays an important. Foreskin contains large number of B and T cells which are essential for fighting viral infections. In fact, circumcised men have two times higher chance of getting HPV than intact men. Providing another reason to the already many present of why circumcision should be illegal.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5735067/

http://www.cirp.org/library/disease/STD/fleiss3/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2596734/

https://www.urotoday.com/conference-highlights/aua-2017/aua-2017-sexual-function/95986-aua-2017-nhanes-nearly-half-of-us-men-test-positive-for-hpv-yet-vaccination-rates-lag-and-recommendations-demur.html