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 Vaping Side Effects VapeMountain.com Health experts are sounding the alarm about a serious condition linked to vaping, known as "popcorn lung" or bronchiolitis obliterans. This irreversible lung disease is caused by harmful chemicals, like diacetyl, found Medical experts just announced that vaping has been definitively linked to permanent lung disease. Many teens have already been diagnosed. learn more https: theconversation.com popcorn lung how vaping could scar your lungs for life 254414