What is Popcorn Lung, and Can it Be Caused by Using Marijuana? Do Thc Vapes Cause Popcorn Lung The Mysterious Vaping Illness That's 'Becoming an Epidemic' The impact of vaping every day on the lung health of the Canadian teenager The Varsity Why THC Vaping Can Destroy Young Lungs Is Vaping Marijuana Safe? Addiction Treatment Center Rehab 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.