Vaping Marijuana Associated with More Symptoms of Lung Damage than Vaping or Smoking Nicotine Diacetyl Popcorn Lung Lawsuit [2026 Update] Popcorn lung: What is it, and who is at risk? Harvard Health Can vaping cause cancer? The evidence suggests it might. The Washington Post Popcorn lunge Vape Is it True That Vaping Can Cause Popcorn Lung? Freeman Vape 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.