Chemical Concerns: Which Vapes Contain Diacetyl? Fact Check: Did Vaping Cause a Man's Collapsed Lung? Vaping360 The Safety of Geek Bar Pulse X Vapes: A Comprehensive Analysis Vape Papa Customer States: Popcorn Lung : r Justrolledintotheshop Debunking the myth: There's no link between vaping and popcorn lung It's official. Flavored e cigarettes cause permanent lung damage. And doctors are already seeing it happen. In the United States, a teenager developed something called popcorn lung after secretly vaping for three years.