Population Based Disease Odds for E Cigarettes and Dual Use versus Cigarettes NEJM Evidence 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 E Cigarettes Vaping with Juul & Other Electronic Cigarettes E cigarettes more likely to lead to ongoing nicotine addiction than NRT Stanton Glantz blog