5 Vaping Facts You Need to Know Johns Hopkins Medicine FACT: Most e cigarette users also smoke cigarettes, a pattern known as dual use. This means the tobacco industry isn't helping people quit; it's sustaining addiction through another product. While the industry claims Vaping Indoors and How it Contributes to Sick Home Syndrome Bactronix What Are Electronic Cigarettes? NIH News in Health Beginner's Guide to Vaping: Devices, E Liquids, Styles, Costs Ecigator