Penile bacteria and circumcision

Courtesy of Altpenis

Circumcision, which substantially lowers HIV risk in men, also dramatically changes the bacterial communities of the penis, according to a new study in the journal PLoS ONE. The findings could lead to new non-surgical HIV preventative strategies for the estimated 70 percent of men worldwide who, because of religious, cultural or financial barriers, are not likely to become circumcised.

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