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 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 Vaping: The Good, the Bad and the Popcorn Lung MPH Online Popcorn Lung: Teenager Struggles To Breathe After Developing Rare Condition Due To Vaping Secretly Times Now Is it True That Vaping Can Cause Popcorn Lung? Freeman Vape