Nicotine
Nicotine is what makes smoking addictive and hard to quit.Nicotine is a pleasure chemical and stimulates the release of dopamine.
posted by manish patwari at 6:21 PM
Nicotine is what makes smoking addictive and hard to quit.Nicotine is a pleasure chemical and stimulates the release of dopamine.
posted by manish patwari at 6:21 PM
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