Vaping delivers heated chemicals directly into the lungs. Unlike air, vape aerosols contain fine particles, nicotine, heavy metals, and flavoring compounds that were never designed to be inhaled. Once inside the chest, Despite FDA Decision, Vaping Is Still Not Safe American Nonsmokers' Rights Foundation no smoke.org The Risks of Smoking or Inhaling Alcohol Missouri Poison Center 5 Vaping Facts You Need to Know Johns Hopkins Medicine What's in an E Cigarette? American Lung Association