Cigarette smokers who try to quit often end up vaping and smoking WashU Medicine 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 More Successful in Helping Smokers Quit Respiratory Therapy Do E Cigarettes Help You Quit Smoking? Yes, Says New Review