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But these tests only check for nicotine exposure, not the method you use
A gelatinous, water-insoluble material called gastric mucus is present in the stomach lumen [23]
The strongest aromatic which I have enjoyed for years was Sillem's linea epotique, a coffee, plum and caramel topping vs the licorice in aniseed twist, but this has just a strong flavor, albeit not as nice a room note (still great), and has nicotine as well which linea epotique has little to none
Flavorings, sweeteners, binders, and moisture retainers are usually added to the tobacco