E cigarettes can help people quit smoking but may be gateway for non smokers, studies suggest ABC News Major Study Says E Cigarettes Can Help Smokers Quit Quitting Rates are Up, Electronic Cigarettes May be Helping KQED 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 Do E Cigarettes Help Smokers Quit? Live Science Quitting Tobacco Grays Harbor County Public Health