Myth vs. Fact Myth: Vaping is just flavored water" Fact: Vape aerosol contains heavy metals, formaldehyde, and nicotineall inhaled directly into your lungs and can cause breathing problems, lung disease and cancer. Toxic Taxidermy The Real Cost Do E Cigarettes Contain Formaldehyde? VapeMountain.com Vaping and Electronic Cigarette (E Cigarette) Products Cattaraugus County Website 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, E cigarettes emit very high formaldehyde levels only in conditions that are aversive to users: A replication study under verified realistic use conditions ScienceDirect