In secondhand vape, scientists smell risk American Heart Association Is Second Hand Vape Smoke Harmful Secondhand smoke and secondhand aerosol ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, 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 Children at risk: Emory study uncovers the hidden dangers of secondhand vape exposure Chemicals