What is smokeless tobacco? It’s the stuff you dip, snuff, chew and spit (Generally, not the stuff a good date would be doing!). For some time these forms of tobacco were known to contribute to causing oral cancer. Recently the chemical responsible for these oral cancer-causing attributes have been identified. The chemical (S)-NNN is part of a family of chemicals called nitrosamines, which are also found in beer and bacon! However the amount in smokeless tobacco is far higher than that found in food.
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