PDF) Impacts of vaping and marijuana use on airway health as determined by exhaled breath condensate (EBC) Disposable Vapes Release More Toxic Metals Than Traditional Cigarettes: UC Davis Study The Epoch Times Study: (Non FDA Approved) Vapes Emit More Toxic Metals Than Cigarettes Tobacco Reporter Disposable vapes are more toxic than cigarettes, contain lead: Study Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Can Vaping Cause Lung Cancer? Here's What We Know The Lung Docs