An Ohio woman says her vape habit landed her in a medically induced coma after doctors had to suction two liters of black and bloody fluid from her damaged lungs. Read the Teen told he was coughing up 'pints' of blood due to a stomach ulcer caused by kebabs 'excessive vaping' was to blame New lung scans prove vaping is toxic. The science is officially in. Scans show that teens have developed "popcorn lung" as a result of vaping. It's a permanent, chronic disease that shortens Coughing When Vaping: Understanding and Overcoming the Challenge selbyvapes Teen Health Info : Vaping everything you need to know