Latest Cochrane Review finds high certainty evidence that nicotine e cigarettes are more effective than traditional nicotine replacement therapy (NRT) in helping people quit smoking Cochrane 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 Society of Certified Senior Advisors: E cigarettes: A Safe Alternative to Smoking? E cigarettes should be offered to smokers, say doctors BBC News Quitting Smoking: Can E Cigarettes Help? The New York Times Choosing The Best Vape to Quit Smoking Vaped