Popcorn Lung: The Zombie Vaping Myth That Refuses to Die Popcorn lung how vaping can scar your lungs for life RCSI University of Medicine and Health Sciences 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 Does vaping cause Popcorn Lung? Vaperite 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