The Mysterious Vaping Illness That's 'Becoming an Epidemic' The New York Times How Long It Takes For Lungs To Heal From Vaping And Exactly When It Causes Permanent Damage Yes, vaping is toxic and the consequences can be permanent. A U.S. teenager developed popcorn lung a life altering, incurable condition after secretly vaping flavored e cigarettes for The Hazards of Vaping Now Include Bone Health William J. Claiborne, DDS MS