E cigarettes around 95% less harmful than tobacco estimates landmark review GOV.UK 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 Evidence update on the cancer risk of vaping e cigarettes: A systematic review This research briefing is part of a series of quarterly updates aiming to provide an overview of new studies on electronic cigar Cardiovascular Effects of Smoking and Smoking Cessation: A 2024 Update Global Heart