Vaping is being described as deadly. A life altering diagnosis of popcorn lung in a U.S. teenager is raising alarm about the hidden dangers of flavored e cigarettes. A U.S. teenager's three year vaping habit Vaping may damage immune system and lead to lung disease, study suggests 196 Vaping Lung Disease Stock Photos, High Res Pictures, and Images Getty Images Electronic cigarettes, teenagers, mysterious lung disease and cannabis Survey Suggests Lung Disease Misinformation Has Compounded Confusion About the Hazards of E Cigarettes