BRISTOL, ENGLAND - DECEMBER 30: Mitchell Baker who works at the Vapour Place a vaping shop in Bedminster, exhales vapour produced by an e-cigarette on December 30, 2016 in Bristol, England. Recent figures released by the e-cigarette industry has claimed that there as many as 1700 vaping shops across the country, with two new ones opening each day catering for the estimated three million vapers in the UK. The popularity of e-cigarettes has boomed in the last ten years, as it is seen by many as a healthier alternative to traditional cigarettes, however some critics say the devices can carry the same risks as smoking especially as the long term affects are yet to be known. (Photo by Matt Cardy/Getty Images)