http://www.circinfo.net/pdfs/Guide_for_Parents-US.pdf
Circumcision helps prevent AIDs, penile cancer, prostate cancer, spread of chlamydia, urinary tract infections, phimosis, inflammation, infection, chancroid, genital warts, syphilis, etc. Furthermore, women statistically prefer the appearance of a circumcised penis, and sex is improved or unaffected by circumcision.