Effects Of Second Hand Vape Smoke 2nd Hand Vape Smoke Side Effects Project Filter ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Is Second Hand Vape Smoke Harmful Secondhand smoke and secondhand aerosol 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 Chemicals What Does Vaping Do to Your Lungs? Johns Hopkins Medicine