Major Study Says E Cigarettes Can Help Smokers Quit Quitting Smoking: Can E Cigarettes Help? The New York Times Study: Vaping Does Not Help U.S. Tobacco Smokers Quit What happens when you quit smoking and start vaping? E cigarette May Help to Quit Smoking With Minimal Side Effects, Suggest Studies 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