Vaping is likely to cause oral and lung cancer, according to a comprehensive review of over 100 studies of the effects of nicotine based e cigarettes, published this week in the journal, Carcinogenesis. Nicotine Free Vapes Raise Concerns; Tests Reveal They're as Addictive as Full Strength E Cigarettes OK Vape E Cig Nicotine Free Menthol Cartridges Health and Care Nicotine found in 'nicotine free' e cigarette liquids sold in Australia, study finds ABC News E cigarette use alters respiration but does not impair lung function, according to new findings ZOVOO releases the first sugar free disposable e cigarette to open a new era of sugar free VAPE HK