Evidence update on the cancer risk of vaping e cigarettes: A systematic review E cigarettes around 95% less harmful than tobacco estimates landmark review GOV.UK E cigarettes and nicotine abstinence: a meta analysis of randomised controlled trials European Respiratory Society 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 New research has shown that electronic cigarettes, known as e cigarettes or vapes, help adults to quit smoking better than traditional nicotine replacement methods, such as patches and chewing gums. #gript