Formaldehyde In Vapes? Exposing Another Chemical Scare Does Formaldehyde Make E Cigarettes Worse Than the Real Thing? 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 5 'Killer' Chemicals in Your Pod Vape Awam Clinic 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 What's in an E Cigarette? American Lung Association