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Addiction Science: From Molecules to Managed Care

Dopamine is an important brain chemical in drug abuse and addiction, but other brain systems and brain chemicals are also involved.

Dopamine is only part of the story.

Serotonin and glutamate neurotransmitter systems, for example, are among those affected. These neurotransmitters are important regulators of mood, sleep, learning and memory, and more.

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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