Lack of circumcision is the biggest risk factor for heterosexually-acquired AIDS virus infection in men
(8-times higher risk by itself, and even higher when lesions from STDs are added in).

Islamic Rules for Circumcision
Circumcision is a universal practice which is greatly influenced by cultural and religious traditions. It is the most frequent operation on males not only in Islamic countries, but also other parts of the world.
Medical Benefits from Circumcision
Circumcision has historically been a topic of emotive and often irrational debate. At least part of the reason is that a sex organ is involved.
Male Circumcision Is Found To Reduce Cervical Cancer
Circumcising men may significantly reduce the rate of cervical cancer in women by decreasing the spread of a sexually transmitted virus that causes nearly all cases of cervical cancer, researchers are reporting.
Why Circumcision Lowers Risk of HIV
Promising trials hinted that circumcision could lower rates of HIV infection, but until now, researchers didn’t fully understand why.
How does male circumcision protect against HIV infection?
There is conclusive epidemiological evidence to show that uncircumcised men are at a much greater risk of becoming infected with HIV than circumcised men.
Circumcision lowers risk of cervical cancer
Nobody would disagree that health is one of God’s greatest blessings; in Islam it is the greatest blessing after that of faith, for the Prophet (pbuh) said, “After faith, no one was given anything better than well-being”.