Electronic Cigarette Aerosol Is Cytotoxic and Increases ACE2 Expression on Human Airway Epithelial Cells: Implications for SARS CoV 2 (COVID 19) Have you ever breathed in secondhand vapor from a vape? What exactly are you inhaling? It turns out it's a lengthy list of chemicals. FULL STORY The importance of including e cigarettes in smokefree laws Free Radical Formation in Electronic Cigarette Aerosols