The FDA announces its first authorization of fruit flavored e cigarettes intended for adult smokers. This major policy shift comes as teen vaping rates have dropped to a 10 year low and manufacturers have pushed Experts show that flavored e cigarettes cause irreversible lung damage. A U.S. teen developed "popcorn lung" after secretly vaping for 3 years a permanent, life altering disease. Officially known as bronchiolitis obliterans, the Life threatening bronchiolitis related to electronic cigarette use in a Canadian youth CMAJ What Chemicals Does Vaping Cause Popcorn Lung? : R Vaping Is Popcorn Lung Irreversible What Chemicals Does Vaping Cause Popcorn Lung? : R Vaping Is Popcorn Lung Irreversible Canadian teen develops 'popcorn lung' like vaping illness, unlike U.S. patients