The Mysterious Vaping Illness That's 'Becoming an Epidemic' The New York Times Did you know vaping and e cigarettes can lead to a condition called Popcorn Lung? Vaping may sound harmless, but it can seriously impact your breathing over time. Learn what causes it, how to What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Doctors Terrified by Vaping Lung Injuries, Deaths The Brink Boston University PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers