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Washington: It turns out that smoking remains a major cause of oral cancer but the tobacco landscape is changing with the increasing use of tobacco products other than cigarettes and double use of several types of products.
Benjamin Chaffee and co-author Neal Benowitz, of the University of California, evaluated exposure to known carcinogens (a substance capable of causing cancer in living tissues) according to the United States. recent use of different types of tobacco products, alone or in combination.
Participants were categorized according to fuel use, which includes cigarettes, cigars, water pipes, smoking pipes, blunts (cigars containing marijuana), smoke-free, including snuff, tobacco to chew and snus, electronic cigarettes and nicotine substitutes
For each product, recent use was defined as being three days and non-use defined as none within 30 days.
All categories of tobacco use demonstrated high nicotine and tobacco-specific nitrosamines (TSNA) concentrations compared to non-users. Exposures to TSNA were highest among smokeless tobacco users, whether they were used or with other types of products.
Most users of electronic cigarettes were simultaneously using combusted tobacco with TSNA exposure similar to exclusive cigarette smokers. tobacco users other than cigarettes are exposed to levels of carcinogenicity comparable to or greater than those of exclusive cigarette smokers, levels that are likely to expose users to significant risks.
Complete results are published in the Journal of Dental Research. 19659010]
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