Formaldehyde In Vapes? Exposing Another Chemical Scare Do E Cigarettes Contain Formaldehyde? VapeMountain.com Daily exposure to formaldehyde and acetaldehyde and potential health risk associated with use of high and low nicotine e liquid concentrations Scientific Reports Electronic cigarettes drastically reduce exposure to toxic substances from tobacco Prevention Observatory of the Montreal Heart Institute Study Finds E Cigs Produce More Formaldehyde Than Regular Cigarettes