Oral sex link to head cancer

The number of serious head and neck cancers linked to a virus spread by oral sex is rising rapidly and suggests boys as well as girls should be offered protection through vaccination, doctors said on Friday. Despite an overall slight decline in most head and neck cancers in recent years, cases of a particular form called oropharyngeal squamous cell carcinoma (OSCC) have increased sharply, particularly in the developed world. This growth seems to be linked to cancers caused by the human papillomavirus (HPV), the scientists said in a report in the British Medical Journal.

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