Kartikeya Kashyap

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E-cigarettes are devices designed to deliver nicotine to users without burning tobacco. These are being marketed globally as a healthier substitute to the conventional cigarettes and as smoking quitting aids. The use of these devices has increased recently in developed countries with approximately 1.3 million users reported in the United Kingdom in 2013.(More)
Marijuana (Cannabis sativa) has been used for recreational and medical purposes since ages. Marijuana smoking is an evil, which is on the rise with about 180.6 million active users worldwide. The recent legalization of marijuana in Uruguay has generated global interest. The purpose of this short review is to describe the various preparations, uses and(More)
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