Printable materials Vaping Information, Solutions & Interventions Toolkit Stanford Medicine Cigarette lectronique Aegis Boost 3 GeekVape 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. Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA HealthMatch Vaping may be safer than cigarettes, but it's not safe