The Impact of E Cigarettes and Asthma: What You Need to Know What Parents Need to Know About What Teens Are Inhaling 5 Vaping Facts You Need to Know Johns Hopkins Medicine Have you ever breathed in secondhand vapor from a vape? What exactly are you inhaling? It turns out it's a lengthy list of chemicals. FULL STORY 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