vaping: what's really in that cloud? Vaping may seem more harmless than other types of smoking, but many contain nicotine and chemicals that can hurt your lungs and keep you hooked. What Does Vaping Do to Your Lungs? Lung Injury MedStar Health Relapses are reported in vaping related lung injuries, CDC says The Washington Post What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Popcorn lung: Causes, symptoms, and treatment Warning: Vaping Can Hurt Your Lungs! (English & Spanish Give journeyworks.com