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 Formaldehyd Zigaretten Aren't Vapes Just Vapor? Nope. Some Vapes Contain Formaldehyde, An Formaldehyde Harmful Vape Chemicals Australia All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center While humidifiers release only HO, vapes release formaldehyde, lead, arsenic, and more. Don't be fooledvape clouds carry toxic chemicals that can seriously harm your lungs. NOT (Not on Tobacco) is a free