Disposable vape use falling in UK ahead of government ban Study: Potent sweetener neotame found by researchers in popular vapes How disposable vapes have become a prominent part of young people's lives UEA New study finds disposable vaping devices more toxic than traditional cigarettes One million people who never regularly smoked now vape in England UCL News UCL University College London A new study from UC Davis found that disposable vapes have much higher concentrations of heavy metals like lead and nickel than traditional cigarettes. CBS Evening News Facebook