Because the association between CUD and oral cancer remained even after controlling for smoking status, and because CUD was associated with greater oral cancer risk even when the analysis was restricted to smokers, the researchers hypothesize that there may be other factors underlying this risk in addition to smoke inhalation
Chewing Tobacco Chewing tobacco, often in loose leaf, plug, or twist form, is the most traditional type
Studies suggest that long-term use of smokeless tobacco can increase your risk of dying from certain types of heart disease and stroke
It is produced by boiling strong tobacco in water, or by steeping the tobacco in water for a longer period
However, its become more prevalent in recent years due to new nicotine products, such as electronic cigarettes (vapes) and pure liquid nicotine