Life threatening bronchiolitis related to electronic cigarette use in a Canadian youth CMAJ Vaping has officially been linked to a rare and irreversible lung disease known as bronchiolitis obliterans, more commonly referred to as popcorn lung. This condition causes scarring and inflammation of the small Doctors are warning about a rare but serious lung condition linked to vaping, known as popcorn lung (bronchiolitis obliterans). The disease causes permanent scarring in the lungs' smallest airways, leading to ongoing NEWS Medical professionals are sounding the alarm about a serious and potentially permanent lung condition increasingly linked to vaping. Commonly referred to as popcorn lung, or bronchiolitis obliterans, the disease damages