E Cigarettes Vaping with Juul & Other Electronic Cigarettes Medical Professional Links 'Popcorn Lung' Disease to Vaping Montgomery Community Media Popcorn lung: What is it, and who is at risk? Harvard Health 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? 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