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Answer:
Brain's 'Pleasure Chemical' Is Involved In Response . For years, the brain chemical dopamine has been thought of as the brain's "pleasure chemical," and studies have linked the addictive properties of drugs like cocaine to their effects on the dopamine system.
Explanation:
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Dopamine and endorphins.... certain kinds of drugs trigger the release neurotransmitters in the basil ganglia in great quantities. This is what produces the euphoric rush of intoxication for new users.
