Vaping as a teenager is a gateway to smoking, study suggests New Study Highlights Risks of Metals (lead, nickel, and antimony) in Disposable E cigarettes UC Davis Poulin Research Group Trends in long term vaping among adults in England, 2013 23: population based study The BMJ One million people who never regularly smoked now vape in England UCL News UCL University College London Disposable vapes are more toxic than cigarettes, contain lead: Study Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis