The Truths Behind Vaping: Information for Youth and Teens USU Lead, nickel and chemicals harmful to brain development found in used vapes Today with Claire Byrne RT Radio 1 Many students believe that vaping harmless, which is far from the truth. Vape pens can contain potentially harmful substances such as chemicals linked to lung disease, cancer causing chemicals, heavy metals such as Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis Healthy Big Tobacco hides the truth, so here it is: vapes contain toxic chemicals with serious health risks, like: Nicotine an addictive poison, harmful to developing brains. Benzene a