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Search for the term ‘vaping’ online and you’d be forgiven for thinking that it is an activity fraught with risks. The top stories relate to health problems, explosions and that vaping leads to smoking in teenagers. For the average smoker seeking information on vaping, a quick internet search offers little reassurance. Might as well continue smoking, the headlines imply, if these products are so dangerous.

But the reality is that they are not. In the past year, more than any other, the evidence that using an e-cigarette is far safer than smoking has continued to accumulate. 2017 saw the publication of the first longer term study of vaping, comparing toxicant exposure between people who’d stopped smoking and used the products for an average of 16 months, compared with those who continued to smoke. Funded by Cancer Research UK, the study found large reductions in carcinogens and other toxic compounds in vapers compared with smokers, but only if the user had stopped smoking completely. A further recent study compared toxicants in vapour and smoke that can cause cancer, and estimated excess cancer risk over a lifetime from smoking cigarettes or vaping. Most of the available data on e-cigarettes in this study suggested a cancer risk from vaping around 1% of that from smoking.