cancer dipping tobacco #DYK? Smokeless products cause of the mouth, esophagus, and pancreas. They can also cause problems in the mouth, like gum disease or tooth decay. | CDC Tobacco Free Tobacco and Cancer | Cancer

This is due to a layer of white keratin forming in reaction to the irritating effect of the tobacco, and is equivalent to a callus on ones hand for example

Study co-authors linked to the UNC Gillings School of Global Public Health include Brewer, Ribisl, and Marissa G

This nicotine gum is spit-free, stain-free, and sugar-free, serving as an alternative to traditional smokeless tobacco products

Libertarians can register their dissents in the comments.

Although smokeless tobacco is sometimes touted as a safe alternative to smoking cigarettes, the truth is that theres no such thing as a safe nicotine habit

8 Centers for Disease Control and Prevention