Rethinking Vaping Cases of Vaping Related Lung Illness Surge, Health Officials Say The New York Times 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 This lung damage from e cigarettes is permanent and entirely preventable. Flavored e cigarettes, often marketed with candy like appeal, may be far more dangerous than they seem. A recent case involving a U.S.