Use of vaping devices and sweet flavored vape liquids linked to DNA damage in mouths of users ABC7 Los Angeles The WHO Needs To Embrace Vaping Not Attack It Ecigclick New study finds disposable vaping devices more toxic than traditional cigarettes The research looked at the chemical composition of "vape smoke" and assessed its cancer risk using data from published animal studies. Read more NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH)