Approximately 16,000 unique flavours have been identified for vapes, many of which appeal to potential users. Some flavours increase the toxicity of vape emissions and can generate compounds that are known to Vaping is on the rise. While e cigarettes don't contain tobacco, they may still contain many of the same toxic and cancer causing chemicals found in regular cigarettes. This includes: Acrolein (weed These could be the worst vape flavours for your health, according to science BBC Science Focus Magazine New study reveals the worst e cigarette flavor to inhale and it's a popular one What we know and don't know about Puff Bar right now Vaping teens at risk of toxic metal exposure 'linked to brain damage' worst offending flavours revealed