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. Vaping Related Illness and Lung Disease NEJM Doctors Find New 'Popcorn Lung' Like Lung Damage Linked To Vaping CBS New York Cannabis and Lung Health: Does the Bad Outweigh the Good? Pulmonary Therapy Springer Nature Link