Vapes don't produce harmless water vapor. They can contain addictive nicotine, cancer causing chemicals like acetaldehyde and formaldehyde, as well as heavy metals that don't belong in your body. Live Vape Free is Can vaping cause cancer? Risks and more FDA warns Juul, says it marketed vapes as less harmful than regular cigarettes without agency authorization The Washington Post Vaping not only exposes young people to toxic and cancer causing chemicals, it can also have harmful effects on mental health. Our new report found that youth and young adults who vape experience Vaping & Cancer EDGE Vaping Does Vaping Cause Lung Cancer? Moffitt Moffitt