Study finds e cigarettes may be as harmful as smoking tobacco UPI.com Vaping may change your DNA but smoking is far more risky The Independent Vaping may seem like a safer option than smoking, but early research tells a different story. Chemical exposure, inflammation and DNA damage could still pose serious risks to lung health. See what 5 year Study On Vaping DNA Damage Levels Similar In Vapers And Smokers, Study Finds Vaping Side Effects Long term