Disposable e cigarettes are more toxic than traditional cigarettes, study finds Here & Now Vapes Clouds Contain Absolutely Horrifying Chemicals, Scientists Find Disposable e cigarettes more toxic than traditional cigarettes EurekAlert! New study finds disposable vaping devices more toxic than traditional cigarettes A new study from UC Davis found high levels of heavy metals in popular nicotine vapes adding to growing concerns about the real risks of vaping. Vaping puts stress on the cardiovascular