E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders. 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. Teen Health Info : Vaping everything you need to know Not just water vapor: why e cigarettes are so dangerous PUBLIC HEALTH INSIDER