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 Toxic Taxidermy The Real Cost Photo by HCADA (@hillsboroughcountyantidrug) December 16, 2025 La cigarette lectronique rduit drastiquement l'exposition aux toxiques du tabac Observatoire de la prvention de l'Institut de Cardiologie de Montral E cigarettes can produce more formaldehyde than regular cigarettes, study says Los Angeles Times