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Year : 2014  |  Volume : 2  |  Issue : 2  |  Page : 184-189

Electronic cigarette: A review

Professor, Department of Pulmonary Medicine, KLE University, J.N. Medical College, Belgaum, Karnataka, India

Correspondence Address:
Vinay Mahishale
Department of Pulmonary Medicine, KLE University, J.N. Medical College, Belgaum - 590 010, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2321-4848.144334

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The principal addictive component of tobacco smoke is nicotine. The mechanisms of nicotine addiction are highly complex and are responsible for maintenance of smoking behaviour. Use of electronic cigarettes (E-cigarettes), devices that deliver a nicotine containing vapor has increased rapidly across the world. They are marketed as a "healthier alternatives" to conventional cigarettes. There is extensive debate over long-term safety and efficacy of these devices on public health. Studies show that the vapor generated from the E-cigarettes has a variable amount of nicotine and potential harmful toxins. Until robust research demonstrates the safety of E-cigarettes and efficacy in the treatment of tobacco dependence, their role as safe smoking cessation tool is unclear. This review highlights the recent data regarding E-cigarettes toxicity, impact on lung function, and efficacy in smoking reduction and cessation.

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