An updated overview of e cigarette impact on human health Respiratory Research Springer Nature Link Vaping E Cigarettes: Challenges Open Access Journals New report from The Royal College of Physicians: positive impact of E cigarettes Electronic cigarette use and smoking cessation in cohort studies and randomized trials: A systematic review and meta analysis While vaping is not risk free, it is less harmful than tobacco Our World in Data 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