E Cigarette or Vaping Product Use Associated Lung Injury: A Comprehensive Review What is e Cigarette and Associated Health Risks IntechOpen 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 cigarettes potentially harmful: PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers EurekAlert!