Medical Professional Links 'Popcorn Lung' Disease to Vaping Montgomery Community Media 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 What is Popcorn Lung? Popcorn Lung is a serious, permanent lung disease caused by inhaling harmful chemicals like diacetyl, sometimes found in flavored vapes. Tips for Parents & Caregivers: Talk What is popcorn lung? Can you get it from vaping? The Mysterious Vaping Illness That's 'Becoming an Epidemic' The New York Times