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- Tobacco use: About 80% of people with oral cavity and oropharyngeal cancers use tobacco in the form of cigarettes, chewing tobacco or snuff. The risk of developing oral cancer depends on the duration and frequency of tobacco use. Smoking can lead to cancer in the mouth or throat, and oral tobacco products are associated with cancer in the cheeks, gums, and inner surface of the lips.
- Alcohol: About 70% of people diagnosed with oral cancer are heavy drinkers. This risk is higher for people who use both alcohol and tobacco. For people who smoke and drink heavily, the risk of oral cancer may be as high as 100% more than the risk for people who do not smoke or drink.
- Betel quid: Many people in Southeast Asia, South Asia, and others parts of the world chew betel quid, a leaf from the betel plant wrapped around areca nut and lime. Chewing gutka, a combination of betel quid and tobacco, is also common. Both of these substances are associated with an increased oral cancer risks.
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Jul 27th, 2015
Oct 26th, 2016
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