We tweeted in error that Cochrane review of vaping was funded by British American Tobacco. We understand the review is impartial from a respected journal. We also know that people who vape Biomarkers of potential harm in people switching from smoking tobacco to exclusive ecigarette use, dual use or abstinence: secondary analysis of Cochrane systematic review of trials of ecigarettes for smoking cessation E cigarettes around 95% less harmful than tobacco estimates landmark review GOV.UK An Open Letter: SA smokers looking to quit will suffer if Parliament passes baseless regulations Vaping Saved My Life Stop Smoking: 3 Treatments Are Most Effective, New Research Finds Cochrane Review: E Cigarettes are Effective for Quitting and Reducing Smoking