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 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 You Die From Smoking Can Cause Real Lung Disease Stock Illustration Download Image Can Cigarettes Cause Popcorn Lung Symptoms Australia Popcorn Lung: The Zombie Vaping Myth That Refuses to Die Is There A Link Between E Cigarette Use And 'Popcorn Lung'?