Does Diacetyl in Vaping Cause Popcorn Lung? Clutch Vape Popcorn lung: how vaping could scar your lungs for life What You Need to Know About Vaping Vaping harms your health Cancer Institute NSW Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica 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