Vaping To Quit Smoking? All Your Questions Answered! E cigarettes to quit smoking? They're as good as nicotine patches Los Angeles Times E cigarettes nearly twice as effective as other nicotine replacement therapies at helping smokers quit 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 Stop Smoking E Cigarettes CardioSmart American College of Cardiology E cigarettes may help smokers quit even if they don't intend to, study finds UPI.com