Random notable study of the week is this: men who are circumcised before their first sexual intercourse have a significantly lower risk for prostate cancer than do uncircumcised men.
Four thousand men were studied and there was a 15% reduction in risk of sexually transmitted infections and inflammation, which may be what helps reduce the risk of prostate cancer.
These findings, published in the journal Cancer
, are consistent with research showing that an infectious/inflammatory pathway may be involved in prostate cancer. So the logic would follow that circumcision reduces the risk of sexually transmitted infections that may alter the risk of prostate cancer.
After controlling for age, race, family history, among other things; risk of prostate cancer was lower in circumcised men. The reduction in prostate cancer risk with circumcision before first intercourse was observed in whites and blacks.
Circumcision has been shown in other studies to be linked to lower rates of sexually transmitted infections including HIV/AIDS, herpes, and syphilis. The authors of this study propose this: STD's cause small tears in the lining of the penis; this provides bacteria and viruses with a route to the bloodstream, which results in chronic inflammation, which contributes to prostate cancer.
This study provides evidence of a 15% reduction in prostate cancer in circumcised men. Though an interesting finding, this certainly does not indicate that every boy be circumcised.
- Dr. O.
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