SOBERING SIMULATION SHOWS WHAT REALLY HAPPENS TO YOUR BODY WHEN YOU INHALE FROM A VAPE. The "harmless" alternative to smoking is being exposed in a terrifying new light as medical simulations reveal 5 Vaping Facts You Need to Know Johns Hopkins Medicine Young man gamer inhaling of a vapor with electronic cigarette.Vape flavor liquid chemicals.Use of e cigarettes in the home.Smoking and vaping negative Stock Photo Alamy Do You Inhale Vape Smoke Into Your Lungs Mouth to Lung (MTL) vs Direct Lung (DL)