Psychiatry.org Vaping is Unhealthy. Tips and Resources to Help Quit. WHAT'S THE DIFFERENCE BETWEEN SMOKE AND VAPOR? Vape Domain Pediatric Environmental Health Center E Cigarettes Boston Children's Hospital 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. E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health