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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 nucleus accumbens. Show all posts

Showing posts with label nucleus accumbens. Show all posts

Sunday, January 8, 2012

Brain Scans and Addiction Research: The Early Years

X-ray specs for drug effects. The science of addiction and the technology of brain scans have both developed exponentially in the past tw...

Monday, January 2, 2012

A Few Words About Glutamate

Meet another major player in the biology of addiction. The workhorse neurotransmitter glutamate, made from glutamine, the brain’s most ab...

Wednesday, February 10, 2010

The Nucleus Accumbens

Final destination for addictive drugs. The release of dopamine and serotonin in the nucleus accumbens lies at the root of active drug addi...

Monday, May 19, 2008

The Chemistry of Cocaine Addiction

Crack, free-base, and powder The cocaine high is a marvel of biochemical efficiency. Cocaine works primarily by blocking the reuptake of dop...

Saturday, March 29, 2008

Amphetamine Blues

How meth addiction happens. If alcohol’s impact on brain cells is wide-ranging and diffuse, and marijuana’s impact is selective and subtle, ...

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