One of these neurotransmitters, dopamine, is released in the reward area of the brain and results in pleasurable feelings and an uplifted mood. More nicotine is required to feel good the more you smoke.
The nightshade plant family naturally produces nicotine, an alkaloid that is widely used recreationally as a stimulant and anxiolytic. It is a medication meant to decrease withdrawal symptoms in smokers who desire to quit.
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