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Tobacco, Smokeless

The term smokeless tobacco (SLT) encompasses a wide variety of tobacco products that do not involve the combustion of tobacco. Three common forms of SLT in the United States are moist snuff, dry snuff, and chewing tobacco. Moist snuff, which constitutes approximately 70% of the SLT market in the United States, is composed of fermented and ground tobacco leaves that are typically placed between a user's gum and lower lip. Dry snuff, another form of finely ground tobacco leaves, has a moisture content of less than 10% and can be taken orally or ingested through nasal passages. Chewing tobacco, in contrast, is not finely ground; it is classified as (a) loose tobacco leaf (shredded tobacco), (b) a plug (brick of tobacco), or (c) a twist ...

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