Do you know what's in a vape? Teen Health Info : Vaping everything you need to know Pediatric Environmental Health Center E Cigarettes Boston Children's Hospital It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center Chemicals 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.