Snuff is a fine grain tobacco that comes in cans or in small pouches. Users take a pinch and place it between the lower lip or cheek and the gum and suck on it. Chewing tobacco is long strands of tobacco. It is used as plugs. Snuff is proven to be more addictive and provides a higher risk of cancer than chewing tobacco.
Nicotine enters the users' bloodstream through the oral mucosa and or the gastrointestinal tract.
Holding tobacco in the mouth brings multiple potentially carcinogenic chemicals into contact with the body. Studies also suggest that using smokeless tobacco causes tooth decay and gum disease, which lead to tooth loss. After several years, leukoplakia a precancerous condition that presents red and white and finally pearly gray patch alterations of the gum and cheek can develop. Following 20 years of use, oral cancers develop with regularity. Alcohol speeds up the timing of the mouth cancers, as does the use of snuff.