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The Science of Substance Abuse

Dirk Hanson

Articles and health studies about drugs, addiction and alcoholism, including the most recent scientific and medical findings.

Showing posts with label reward chemicals. Show all posts

Showing posts with label reward chemicals. Show all posts

Tuesday, January 31, 2012

Reward and Punish: Say Hello to Dopamine’s Leetle Friend

Dopamine recruits a helper to track drug rewards. Ah, dopamine. Whenever it seems like researchers have finally gotten a bead on how th...

Thursday, April 15, 2010

Liking It Vs. Wanting It

The Joylessness of Drug Addiction. Hedonism, the pursuit of pleasure for its own sake, is not really the answer to the riddle of drug add...

Tuesday, July 7, 2009

What’s a Neurotransmitter, Anyway?

A brief guide for the perplexed. A neurotransmitter is a chemical substance that carries impulses from one nerve cell to another. Neurotrans...

Friday, September 21, 2007

Serotonin and Dopamine: A Primer

The Molecules of Reward Serotonin and dopamine are part of a group of compounds called biogenic amines . In addition to serotonin and dopa...

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