7 things to know about e cigarettes and quitting smoking Centre for Evidence Based Medicine (CEBM), University of Oxford Electronic cigarette Wikipedia 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 Conclusions about the effects of electronic cigarettes remain the same Cochrane Electronic cigarettes use and 'dual use' among the youth in 75 countries: estimates from Global Youth Tobacco Surveys (20142019) Scientific Reports