E Cigarettes Vaping with Juul & Other Electronic Cigarettes Does Formaldehyde Make E Cigarettes Worse Than the Real Thing? Electronic cigarette aerosol contains 6 times less formaldehyde than tobacco cigarette smoke Nicorex Is Formaldehyde Contained in Vapes? E Cigarettes Can Churn Out High Levels Of Formaldehyde Connecticut Public Pediatric Environmental Health Center E Cigarettes Boston Children's Hospital