Unprotected sexual activities causes cancer

4. Fingering In fingering, the hands of the male partner are used to stimulate the vagina and the genital regions of the female partner. This is a very common sexual practice that is termed to be harmless. Although the risk of transmission of HIV and other STIs is very low with fingering, it still poses some health risk. Sores or slight bruises of the fingers can act as an entry point for viruses to gain access into the body and establish an infection. Cancers of the skin of the hands and fingers have been reported in men who frequently engage in fingering with partners infected with HPV. The virus gain access into the cells of the skin of the fingers via the cut. It then enters into the cells and alters the genetic makeup of the cells causing an uncontrolled growth of the cancerous cells