Functional MRI clarifies effects of vaping vs. smoking inside the lungs 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. Vaping has now been directly linked to rare and irreversible lung disease. A U.S. teenager has been diagnosed with bronchiolitis obliteranscommonly known as ""popcorn lung""after three years of vaping flavored e cigarettes. This 36,214 Smoker's Lungs Royalty Free Images, Stock Photos & Pictures Shutterstock Vaping Health Advisory Study finds vaping damages cells that protect you from viruses.