WARNING FOR AND Illegal disposable e cigarettes (vapes) may be more dangerous than traditional cigarettes, according to new research from UC Davis. The study found hazardous levels of toxic heavy metals Disposable vapes are more toxic than cigarettes, contain lead: Study Can Vaping Cause Lung Cancer? Here's What We Know The Lung Docs Recent News TRDRP Lead in Vapes: Toxic Metals Found in Disposable E Cigarettes Technology Networks