Up to 95% of people who develop severe 'popcorn lung' as a result of vaping will DIE Can vaping damage your lungs? What we do (and don't) know Harvard Health 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 How Big Tobacco is Hooking Gen Z Respiratory Health Association