The tar stains your enamel and coats your gums and tongue. It damages your tooth enamel, places you at risk for tooth decay and gum disease, and lessens your ability to flavor foods you like. Some elements of smoke are attribute in the combustion resource. Guaiacol and its derivatives https://broadfar.com/oraco-pioneering-a-smokeless-future-with-innovative-nicotine-delivery/