Abstract
Electronic cigarette (E-cigarette) is an electronic nicotine delivery system which is a part of growing tobacco industry. It has a battery, atomizer, cartridge, and an indicator light. They are classified according to the generation or tier system. The latest are the seventh generation. It contains volatile organic compounds, diethylene glycol, and nicotine to name a few. It dates back to 2003 in China. There are increasing phenomena of awareness and sale of E-cigarettes on the internet. There are lots of questions unanswered regarding the safety and marketing of E-cigarettes. Until and unless approved by the World Health Organization, the safety of use of E-cigarettes should be considered caveat emptor. The literature was generated as a result of search of articles on PubMed and Google engine and Ebscohost by using key words E-cigarettes.
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