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Addiction Science: From Molecules to Managed Care

Dopamine is a brain chemical involved in many different functions including movement, motivation, reward — and addiction.

Dopamine is a brain chemical involved in many different functions

Nearly all drugs of abuse directly or indirectly increase dopamine in the pleasure and motivation pathways and in so doing, alter the normal communication between neurons.

This page was last updated July 2008

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Drugs, Brains, and Behavior - The Science of Addiction

As a result of scientific research, we know that addiction is a disease that affects both brain and behavior.

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