PRO TIP Vaping is often sold as harmless, but we're here to tell you your lungs and teeth would disagree. Stay in shape and avoid the vape! Vaping looks harmless but the damage isnt., The first contact of vape smoke is your gums and teeth and over time: * Pink gums can turn dark or black * Teeth can go from white to yellow brown, Just Vaping North Ogden Utah North Ogden Utah Vaping could cause gum disease and tooth decay, dentist warns Express.co.uk It is not harmless:' Dentists voice concern over vaping CBC News