Quitting Smoking: Can E Cigarettes Help? The New York Times Is Vaping Better Than Smoking? American Heart Association What Happens When You Quit Smoking and Start Vaping? IQOS UK 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: How they work, risks, and research