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 Figures on vaping safety need clarifying Letters The Guardian Outbreak of Lung Injury Associated with the Use of E Cigarette, or Vaping, Products Electronic Cigarettes Smoking & Tobacco Use CDC Vape Lungs Vs Smoker Lungs What vaping does to your body Is Vaping Better Than Smoking? American Heart Association