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 No Cure for Popcorn Lung: Vapers and Workers Beware! iGlobenews Popcorn lung: how vaping could scar your lungs for life Vapes and Popcorn Lungs: A Doctor's Honest Take on E Cigarettes Popcorn Lung vs. Lung Cancer: Understanding the Critical Differences (and Why It Matters)