Popcorn Lung: Teenager Struggles To Breathe After Developing Rare Condition Due To Vaping Secretly Times Now How Rare Is What Is Popcorn Lung? Can You Get It From Vaping What Vapes Cause Popcorn Lung 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