<P> Regulation of electronic cigarettes varies across countries and states, ranging from no regulation to banning them entirely . Others have introduced strict restrictions and some have licensed devices as medicines such as in the UK . As of 2015, around two thirds of major nations have regulated e-cigarettes in some way . Because of the potential relationship with tobacco laws and medical drug policies, e-cigarette legislation is being debated in many countries . The companies that make e-cigarettes have been pushing for laws that support their interests . In 2016 the US Department of Transportation banned the use of e-cigarettes on commercial flights . This regulation applies to all flights to and from the US . </P> <P> The legal status of e-cigarettes is currently pending in many countries . Many countries such as Brazil, Singapore, the Seychelles, and Uruguay have banned e-cigarettes . In Canada, they are technically illegal to sell, as no nicotine - containing e-fluid is approved by Health Canada, but this is generally unenforced and they are commonly available for sale Canada - wide . In the US and the UK, the use and sale to adults of e-cigarettes are legal . As of August 8, 2016, the US Food and Drug Administration (FDA) extended its regulatory power to include e-cigarettes . Under this ruling the FDA will evaluate certain issues, including ingredients, product features and health risks, as well their appeal to minors and non-users . The FDA rule also bans access to minors . A photo ID is required to buy e-cigarettes, and their sale in all - ages vending machines is not permitted . In May 2016 the FDA used its authority under the Family Smoking Prevention and Tobacco Control Act to deem e-cigarette devices and e-liquids to be tobacco products, which meant it intended to regulate the marketing, labelling, and manufacture of devices and liquids; vape shops that mix e-liquids or make or modify devices were considered manufacturing sites that needed to register with FDA and comply with good manufacturing practice regulation . E-cigarette and tobacco companies have recruited lobbyists in an effort to prevent the FDA from evaluating e-cigarette products or banning existing products already on the market . </P>

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