E cigarettes can result in 'Popcorn Lung' Tobacco Smoke, Vaping, and Asthma AAFA.org E cigarettes are not associated with post acute COVID 19 syndrome among US adults Scientific Reports E Cigarette Use Linked to Earlier Asthma Onset in Adults Respiratory Therapy Read "Public Health Consequences of E Cigarettes" at NAP.edu Young, female e cigarette users more likely to have asthma attack, use health services