Are vapes more harmful than cigarettes? Fact check Gotcha! Vapes do not emit harmless water vapor. People exposed to toxic vape aerosols absorb nicotine, with one study showing levels comparable to passive smokers. Learn more about vape aerosols at https: www.smokefreeathomenm.org e cigarettes and Vaping substantially less harmful than smoking, largest review of its kind finds King's College London The Dangers of Vaping Vaping Side Effects Allianz Is electronic cigarette vapour harmful to those around you? X Bar The Long term Effects of Vaping on Pulmonary Function RT