Harvard study finds lung damaging toxins in popular e cigarette products PhillyVoice E cigarette user found to have rare form of lung scarring typically found in metal workers ERS European Respiratory Society Lung Injuries Associated with Use of Vaping Products FDA 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.