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Oral s** is fueling an 'epidemic' of throat cancers, doctor claims

 Oral s** is fueling an 'epidemic' of throat cancers in the US and UK, a doctor has claimed.

Dr. Hisham Mehanna, from the UK's University of Birmingham, said 70 percent of cases of throat cancer are caused by human papillomavirus (HPV), a normally harmless virus that is spread sexually and has been linked to multiple forms of cancers.

Dr. Mehanna said people with multiple oral s** partners have an up to nine-fold increased risk of throat cancer. He wrote in The Conversation: 'Over the past two decades, there has been a rapid increase in throat cancer in the west, to the extent that some have called it an epidemic.

 'This has been due to a large rise in a specific type of throat cancer called oropharyngeal cancer.'

Oropharyngeal cancer is the most common type of throat cancer. It appears in the tonsils and back of the throat.

Doctors consider HPV infection to be the biggest risk factor for developing the disease.

Dr. Mehanna continued: 'HPV is sexually transmitted. For oropharyngeal cancer, the main risk factor is the number of lifetime sexual partners, especially oral s**.

'Those with six or more lifetime oral-s** partners are 8.5 times more likely to develop oropharyngeal cancer than those who do not practice oral s**.'

More than 50,000 cases of oral or oropharyngeal cancer are diagnosed in the US each year, causing more than 10,000 annual deaths.

The number of cases is growing, however, up to 1.3 percent a year in women and 2.8 percent in men, according to the American Cancer Society.

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