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 Should I Use E Cigarettes to Quit Smoking? E cigarette May Help to Quit Smoking With Minimal Side Effects, Suggest Studies Vaping: It's hard to quit, but help is available Harvard Health Study Finds Vaping Flavors Helps Adults Quit & More! THR News What to Know About Electronic Cigarettes (E Cigarettes)