Licking a girl can kill you. HPV will spread to men more easily via oral sex than spread to a woman from oral sex with a man. HPV can cause oral cancer, neck, cancer and other cancers in the head. (The one on your shoulders fool)
I suppose kissing lesbos or bi-chicks is not a good idea either.
So how about some 68? You do me and I will owe you one!
Or is this just controversial use of the HPV vaccine being pushed again likely by some stockholders or soon to be stockholders.
via Session: Oral Sex Is Sex and Can Lead to Cancer (2011 AAAS Annual Meeting (17-21 February 2011)).