Study finds cannabis vaping more harmful than nicotine vaping What Nicotine Does to Your Body E Cigarettes Vaping with Juul & Other Electronic Cigarettes Vaping may look harmless, but your smile tells a different story From yellow stains and dry mouth to early decay and gum damage vaping silently attacks your teeth and gums Vaping may look harmless, but your smile tells a different story From yellow stains and dry mouth to early decay and gum damage vaping silently attacks your teeth and gums