Vs Vape Inhalation Exposure And Surface Contamination Concerns From E Cigarettes 10 Chemicals Found In Cigarettes Australia E cig tobacco card FINAL version 060115x Vaping: how safe is it? All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center 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 Study Finds E Cigs Produce More Formaldehyde Than Regular Cigarettes