Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab Vaping Dangers: What Parents Should Know Attorney General Brian Schwalb Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine Cigarette lectronique femme Vapeol Kits & Pods The 101 on e Cigarettes Infographic American Heart Association Vaping has become common, but it's important to know what you're inhaling. Many e cigarettes contain nicotine, heavy metals like nickel and lead, and chemicals that can harm your lungs and overall health.