smokeless tobacco and cancer risk

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  • Smokeless Tobacco and Cancer - National Cancer Institute

    Yes. There is no safe form of tobacco. At least 28 chemicals in smokeless tobacco have been found to cause cancer . The most harmful chemicals in smokeless tobacco are tobacco-specific nitrosamines, which are formed during the growing, curing, fermenting, and aging of tobacco. The level of tobacco-specific nitrosamines varies by product.

  • Relationship between type of smokeless tobacco & risk of

    Causative linkages of smokeless tobacco (SLT) use with oral potentially malignant disorders and cancers of oral cavity, oesophagus and pancreas have been reported. Published meta-analyses have provided pooled risk estimates for major cancers caused by SLT, both on global and regional levels.

  • Health Risks of Smokeless Tobacco - American Cancer Society

    Smokeless tobacco causes cancer. Overall, people who dip or chew get about the same amount of nicotine as people who smoke regularly. They are also exposed to more than 25 chemicals that are known to cause cancer. The most harmful cancer-causing substances in smokeless tobacco are tobacco-specific nitrosamines (TSNAs). TSNA levels vary by product, but the higher the level the greater the cancer risk.


    Early studies, conducted in the US and Europe (before 1990), showed an elevated risk of oral or pharyngeal cancer with the use of smokeless tobacco79however, studies after 1990 no longer provided support for a positive association between smokeless tobacco use and head and neck cancer risk.1016.

  • Smokeless tobacco and oral cancer: a review of the risks and

    Abstract. Smokeless tobacco has been associated with oral cancer for many decades. The purpose of this article is to review research relevant to this association, including epidemiologic studies, studies of putative carcinogens such as tobacco-specific nitrosamines (TSNAs) and other contaminants, and possible cancer inhibitors. Epidemiologic studies addressing this issue primarily consist of case-control studies.

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  • Tobacco and Cancer CDC

    Smokeless tobacco products, such as dipping and chewing tobacco, can cause cancer, too, including cancers of the esophagus, mouth and throat, and pancreas. Smoking cigars causes lung cancer and increases the risk of cancers of the mouth, throat, larynx, and esophagus.

  • Smokeless Tobacco: Health Effects CDC

    Smokeless tobacco can cause white or gray patches inside the mouth (leukoplakia) that can lead to cancer. 1 Smokeless tobacco can cause gum disease, tooth decay, and tooth loss. 1,3 Reproductive and Developmental Risks

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