Disposable Vapes Release More Toxic Metals Than Traditional Cigarettes: UC Davis Study The Epoch Times Young adults don't know what's in nicotine products they vape Impacts of vaping and marijuana use on airway health as determined by exhaled breath condensate (EBC) Respiratory Research Springer Nature Link Disposable Vapes Release More Toxic Metals Than Traditional Cigarettes: UC Davis Study The Epoch Times Disposable vapes spew toxic metals at higher levels than cigarettes, study finds New study finds disposable vaping devices more toxic than traditional cigarettes