Impacts of vaping and marijuana use on airway health as determined by exhaled breath condensate (EBC) Respiratory Research Springer Nature Link Disposable vapes spew toxic metals at higher levels than cigarettes, study finds The dangers of e cigarettes: Why UC Davis says they are more toxic than traditional cigarettes New study finds disposable vaping devices more toxic than traditional cigarettes Lead in Vapes: Toxic Metals Found in Disposable E Cigarettes Technology Networks