Vaping and smoking are often compared in terms of health risks, with research suggesting that while vaping may expose users to fewer toxic substances than traditional cigarettes due to the absence of 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. E Cigarette or Vaping Product Use Associated Lung Injury: A Comprehensive Review Never start vaping, says 12 year old girl with lung damage