GEEKBAR PULSE Makes a Grand Entrance GEEK BAR Doctors have linked vaping to a rare, incurable lung condition called obliterative bronchiolitis, often referred to as popcorn lung. The disease permanently scars and narrows the lungs' airways, causing lifelong breathing problems. It's official. Flavored e cigarettes cause permanent lung damage. And doctors are already seeing it happen. In the United States, a teenager developed something called popcorn lung after secretly vaping for three years. Vaping can raise your risk of stroke, because it damages blood vessels and makes your blood clot easier. Nicotine and other chemicals increase blood pressure and cause inflammation, which can block blood