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. Health experts warn that flavored e cigarettes may lead to permanent lung damage. A U.S. teenager was diagnosed with "popcorn lung" after covertly vaping for three years, resulting in a lifelong, debilitating condition. You may not feel it now, but your lungs will. Vaping scars lungs. Smoking chokes life. Choose prevention. #LungMonth2025 Georgett Hammal, Samuel Morales E Cigarette or Vaping Product Use Associated with Lung Injury YouTube