Vaping refers to the use of an electronic cigarette, or other vaping device, to breathe in an aerosol, often containing nicotine, flavouring and other chemicals. Unlike cigarette smoking, vaping doesn't burn tobacco. Tutorial How to Refill your Electronic Cigarette YouTube Are E Cigarettes the Right Choice? SiOWfa15: Science in Our World: Certainty and Controversy Study: Many teens who use e cigarettes also smoke regular cigarettes Los Angeles Times