Why and how do dual users quit vaping? Survey findings from adults who use electronic and combustible cigarettes E cigarette users '15% more likely to have a stroke at middle age than smokers' 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 E Cigarettes May Not Help People Quit Smoking, Says Study Engoo Daily News 2.3% of US population reports current e cigarette use