Lab study shows cigarette smoke damaged lung cells more than e cigarette vapor E cigarette and food flavoring diacetyl alters airway cell morphology, inflammatory and antiviral response, and susceptibility to SARS CoV 2 Cell Death Discovery Chemicals in vaping flavors cause widespread damage to lung tissue Retrouver son souffle avec la cigarette lectronique, poumons, effets avis Vaping Related Illness and Lung Disease NEJM