The yin and yang of dopamine Nicotine, like cocaine and heroin, is known to cause addiction by activating the bodys reward network: Nicotine binds to receptors on cells that release the neurotransmitter dopamine into the brain, where it affects everything from pain perception and mood to memory
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Griffiths believes this is the first study to conclusively show that nicotine can pass the "reinforcement test" in nonsmokers, and he expects it will inform future studies of "avoiders" and "choosers." "I hope our findings will point the way toward future interventions that prevent or treat nicotine addiction," he says, "a topic of increasing importance in light of the expanding marketing of electronic nicotine delivery devicese-cigarettesto youthful nicotine nonusers." Read more from Hopkins Medicine Posted in Health Tagged addiction, tobacco control, e-cigarettes, nicotine
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