Be careful with your Love Life, this $ex Pose Increases the Risk of Cancer for 22 Times

Some types of oral cancer are linked to human papilloma virus (HPV) infection in the mouth and throat.

Find out the possible risks of this infection from oral sex, and how to protect yourself.

In England, around 5,400 people were diagnosed with oral cancer in 2011.

Oral cancers are sometimes called head and neck cancers and include cancers of the mouth, lip and tongue, as well as cancers of the tonsils, oesophagus, larynx (voice box), nasopharynx (the area that connects the nose and throat) and the thyroid gland.

Be careful with your Love Life, this $ex Pose Increases the Risk of Cancer for 22 Times

What causes oral cancer?

Experts have known for years that the main risk factors for oral cancer are drinking alcohol and smoking or chewing tobacco. But there is growing evidence that infection in the mouth with HPV is a major cause of oral cancer.

Around 25% of mouth and 35% of throat cancers are HPV-related, but the exact figures vary between different studies, possibly due to different ways of testing for the virus, or varying levels of smoking and other risk factors.
How do you get HPV in the mouth?

There are more than 100 types of HPV, and around 15 are associated with cancers. These 15 are known as high-risk HPV types.

The types of HPV found in the mouth are almost entirely sexually transmitted, so it’s likely that oral sex is the primary route of getting them. The high-risk HPV types are also passed on through vaginal and anal sex, and are linked to:
  • cervical cancer
  • vulval and vaginal cancer
  • anal cancer
  • laryngeal cancer
  • tonsil cancer
Some can be passed on through skin-to-skin contact and cause warts, including genital warts.The types of HPV that cause visible warts are low-risk and are not the same types that cause cancer.

Most sexually active people (about 90%) will have been exposed to either high- or low-risk genital HPV types by the age of 25, but only 2-3% of these people develop visible genital warts. So most of us have been infected, but few are affected.

It’s not known how common HPV infection in the mouth is. A study carried out in 2009-10 concluded that the prevalence of oral HPV infection in American men was 10%, and in women 3.6%. Risk factors for oral HPV identified by this study included:
  • age: prevalence peaked in the 30-34 and 60-64 age groups
  • number of sexual partners: 20% of people with more than 20 partners had an oral HPV infection
  • current number of cigarettes smoked per day
There is good evidence suggesting that, for some oral cancers, risk factors may be linked to sexual behaviour. These risk factors include:

  • ever having oral sex
  • having oral sex with four or more people in your lifetime
  • among men, first having sex at an earlier age (under 18)
How does HPV cause cancer?
HPV does not directly give you cancer, but it causes changes in the cells it has infected (for example, in the throat or cervix), and these cells can then become cancerous.

Very few people infected with HPV will develop cancer. In 90% of cases, the infection is cleared naturally by the body within two years.

However, people who smoke are much less likely to clear the virus from their body. This is because smoking damages special protective cells in the skin called immune surveillance cells, allowing the virus to persist. Cervical and vulvar cancer is rare in women who don’t smoke, unless they have some other cause of immunosuppression (a weakened immune system).

If cell changes do happen, it can take a long time – even decades. HPV-related oral cancers seem to respond better to treatment than non-HPV-related oral cancers.

If you are worried

If you’re worried about oral cancer, see your GP. When mouth cancer is established, it has fairly clear symptoms, and your GP should be able to see them by looking in your mouth. If oral cancer is diagnosed early, it is easier to treat, but about half of these cancers are diagnosed when the disease has already spread within the neck.

The symptoms of oral cancer include:
  • red – or red and white – patches on your tongue or the lining of your mouth
  • one or more mouth ulcers that do not heal after three weeks
  • a swelling in your mouth that lasts for more than three weeks
  • pain when swallowing
  • a feeling as though something is stuck in your throat

Safer oral sex

And while oral sex might not get you pregnant, it should be considered sex because it certainly has all the same, infection-related risks.

You can make oral sex safer by using a condom on a man’s penis, because it acts as a barrier between the mouth and the penis. A dam (a square of very thin, soft plastic) across a woman’s genitals can protect against infection.

Health Advisor Group

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