Vs Vape Inhalation Exposure And Surface Contamination Concerns From E Cigarettes 10 Chemicals Found In Cigarettes Australia E cigarettes emit very high formaldehyde levels only in conditions that are aversive to users: A replication study under verified realistic use conditions ScienceDirect E cigarettes can emit formaldehyde at high levels under conditions that have been reported to be non averse to users Scientific Reports Formaldehyde exposure from 3 e cigarette formats tested well below WHO quality guidelines EurekAlert!