The dangerous allure of e cigarettes Parkview Health Transport and Mitigation of Exhaled Electronic Cigarette Aerosols in a Multizone Indoor Environment Aerosol and Air Quality Research Tobacco Smoke, Vaping, and Asthma AAFA.org E cigarette aerosol isn't just water vaporit contains toxic chemicals like formaldehyde and acrolein (yes, a weed killer!). Vaping can lead to lung disease, Popcorn Lung, and even a collapsed lung. Plus, secondhand Electronic cigarette use and its association with asthma, chronic obstructive pulmonary disease (COPD) and asthma COPD overlap syndrome among never cigarette smokers