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. Do E Cigarettes Contain Formaldehyde? VapeMountain.com Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk 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, Formaldehyde in e cigarettes expert responds Science Media Centre