http://www.cnn.com/2009/HEALTH/11/30...men/index.html
The foundation attributes the rise to the increase in the number of women who smoke and drink excessively, because both tobacco and alcohol trigger oral cancer.
But there is another factor. In some cases, women are being found to have oral cancer caused by HPV, or the human papillomavirus (version 16). Different versions of HPV are present in most cases of cervical cancer. Like cervical cancer, in oral cancer cases, the virus is transferred through sexual activity.