How harmful are electronic cigarettes? 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. In secondhand vape, scientists smell risk American Heart Association The untold story of the first E Cigarette inventor Pouch Patrol History of Vaping eLiquid.com First genome wide comparison of vapers and smokers finds similar DNA changes linked to disease risk