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 Vaping cannabis associated with cough, bronchitis and wheezing, study finds CNN A 27 year old man with e cigarette use presented with a 5 day history of fever, vomiting, diarrhea, dyspnea, and hemoptysis. A radiograph and CT scan of the chest showed patchy consolidations in both lungs. Teen told he was coughing up 'pints' of blood due to a stomach ulcer caused by kebabs 'excessive vaping' was to blame