Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. Geekvape I Box Mod I Atomiseur I Cigarette lectronique YOU SMOKE Printable materials Vaping Information, Solutions & Interventions Toolkit Stanford Medicine Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA