Link between e cigarette use and early age of asthma onset in US adults discovered 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 The importance of including e cigarettes in smokefree laws Toxic Haze: Vaping Poisons Display Health Edco