Debunking the myth that vaping causes popcorn lung

Popcorn lung, formally known as bronchiolitis obliterans, is a disease that causes an irreversible narrowing of lung airways. This rare condition initially gained media attention in the early 2000s due to a cluster of cases among microwave popcorn plant workers. In recent years, news media have frequently purported a link between the disease and vaping nicotine. But is there really a connection between popcorn lung and vaping?