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And as mentioned earlier, the nicotine content per gram of tobacco varies depending on the tobacco's strength
E-liquids contain: Propylene glycol Vegetable glycerin Nicotine Flavourings Vegetable glycerin does technically contain calories (about 4 calories per gram)
E-cigarettes produce an aerosol by heating a liquid that usually contains nicotinethe addictive drug in regular cigarettes, cigars, and other tobacco productsflavorings, and other chemicals that help to make the aerosol
A new study, though, cautions that in countries where the product is already on the market, like Japan, it has achieved rapid popularity as a smoke-free option for those e-smokers who yearn for the old taste and back-of-throat burning sensation, or "hit," of traditional cigarettes