Vaping is not replacing smoking. It is often added to it. This is called dual use. Nearly half of e cigarette users still smoke cigarettes. What this means: Smoking continues alongside vaping The 101 on e Cigarettes Infographic American Heart Association Quitting Rates are Up, Electronic Cigarettes May be Helping KQED Best E Cigarettes to Quit Smoking E Cigarette Reviews and Rankings How to Quit Vaping, According to Experts The New York Times