Take it from a taxidermied critter: Vaping formaldehyde is no good The Real Cost Does Formaldehyde Make E Cigarettes Worse Than the Real Thing? 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 Test reveals toxic content found in vapor from illicit THC cartridges E cigs and Vaping: How Are They Impacting Our Youth? Vaping is often seen as a less harmful alternative to smoking, but since it is still relatively new, there is no way to study the long term effects. Both vaping and smoking irritate