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Revision as of 10:57, 23 December 2014 by TheNorlo (talk | contribs) (→Discussion)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)An electronic cigarette (e-cig or e-cigarette), personal vaporizer (PV) or electronic nicotine delivery system (ENDS) is a battery-powered vaporizer which has a similar feel to tobacco smoking. Electronic cigarettes do not contain tobacco, although they can use nicotine from tobacco plants. They do not produce cigarette smoke but rather an aerosol, which is commonly referred to as vapor. In general, they have a heating element that atomizes a liquid solution known as e-liquid. E-liquids are usually a mixture of propylene glycol, glycerin, nicotine, and flavorings. Others have similar ingredients but without nicotine.
The benefits and risks of electronic cigarette use are uncertain. There is considerable scientific debate about the safety of electronic cigarettes, physicians and public health officials have been paying increased attention to possible health and safety issues surrounding their use. Because of the possible relationship to tobacco laws and medical drug policies, electronic cigarette legislation is being debated in many countries.
The frequency of use has increased with up to 10% of American high school students having ever used them as of 2012 and around 3.4% of American adults as of 2011. In the UK the number of e-cigarette users increased from 700,000 in 2012 to 2.1 million in 2013. About 60% are smokers and most of the rest are ex-smokers. E-cigarette users most commonly continue to smoke traditional cigarettes. Current e-cigarettes arose from an invention made by Hon Lik in China in 2003, and devices are mostly manufactured in China. E-cigarette brands have increased advertising with similar marketing to that used to sell cigarettes in the 1950s and 1960s.
Discussion
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