It's a Fact. Vaping Can Cause Popcorn Lung Poster ToucanEd 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 Popcorn lung: What is it, and who is at risk? Harvard Health What Chemicals Cause Does Vaping Causes 'Popcorn Lung Public Health Posters 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