Is Vaping Safer than Smoking? New Directions for Women Vaping and e cigarette use is a troubling trend Fort Plain Central School District 80.8% people believe that vapes are less harmful than cigarettes VAPE HK Studies show that the negative health effects of e cigarettes are like that of traditional cigarettes. A Parkview expert explains the dangerous combination of highly addictive nicotine and the chemicals in e liquid. Propylene glycol and vegetable glycerin e cigarette aerosols impact mucociliary function and cause cytotoxicity in human airway epithelium Scientific Reports