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 What to Know About Electronic Cigarettes (E Cigarettes) Vaping: It's hard to quit, but help is available Harvard Health Fake Cigarettes to Quit Smoking: 4 Types Compared Cyclone Pods E cigarette May Help to Quit Smoking With Minimal Side Effects, Suggest Studies Resources for Quitting Smoking College of Medicine Penn State