Best Air Purifiers for Vape Smoke Tested & Picked! What Happens When You Quit Smoking & Start Vaping Vapourcore Psychiatry.org E Cigarettes and Vaping Vaping delivers heated chemicals directly into the lungs. Unlike air, vape aerosols contain fine particles, nicotine, heavy metals, and flavoring compounds that were never designed to be inhaled. Once inside the chest, Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times