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. Compromised blood vessel function caused by cigarettes and e cigarettes is mediated by lung irritation Stanton Glantz blog E cigarettes cause lung condition known as EVALI : Revista Pesquisa Fapesp A 27 year old man with e cigarette use presented with a 5 day history of fever, vomiting, diarrhea, dyspnea, and hemoptysis. A radiograph and CT scan of the chest showed patchy consolidations in both lungs. Vaping Related Illness and Lung Disease NEJM