New lung scans prove vaping is toxic. The science is officially in. Scans show that teens have developed "popcorn lung" as a result of vaping. It's a permanent, chronic disease that shortens Les effets de la cigarette sur les dents et la bouche The Health Impacts of E Cigarettes Smoke Screen Blogs CDC New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking 736 Bouche Cigarette Photos et images haute rsolution Getty Images