E cigarettes can emit formaldehyde at high levels under conditions that have been reported to be non averse to users Scientific Reports ATOMISEUR RECONSTRUCTIBLE ZEUS X RTA GEEKVAPE E cigarette aerosols contain many dangerous metals and chemicals things that our lungs were never meant to inhale. One such chemical you might not be aware of is formaldehyde, which can be released as Clearomiseurs tirage indirect (MTL) ou direct (DL) E cig E Garette