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 E cigarettes can help smokers quitbut do not use them casually, researchers warn Major Study Says E Cigarettes Can Help Smokers Quit The Benefits After Just One Month Of Quitting Cigarettes SMOKO E Cigarettes E Cigarettes Are Effective at Helping Smokers Quit, a Study Says The New York Times How to Quit Smoking with Vaping A Beginner Friendly Guide to Start