E Cigarettes Can Churn Out High Levels Of Formaldehyde Connecticut Public Impact of e cigarette health warnings on motivation to vape and smoke Tobacco Control E cigarettes almost always contain nicotine. Vaping can expose you and others around you to harmful chemicals, such as: Formaldehyde exposure from 3 e cigarette formats tested well below WHO quality guidelines EurekAlert! What's REALLY in your cigarette or vape? You're not just inhaling nicotine. Cigarettes contain arsenic, ammonia, and formaldehyde yes, the same stuff used to embalm bodies. Vapes? Heavy metals, toxic chemicals,