Nicotine: Nicotine is one of the most addictive drugs there is. For eg., when rats in a study were given the choice of choosing by lever Cocaine heroin and nicotine....They always gravitated to nicotine the most ..Even if the position of the levers and drugs were switched around. It also explains why it is so hard to quit smoking. Whatever you do, don't start smoking and get your friends and family to stop.
Answered 6/24/2014
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