Methamphetamine Enters Brain Quickly and Lingers

(PhysOrg.com) -- Using positron emission tomography (PET) to track tracer doses of methamphetamine in humans` brains, scientists at the U.S. Department of Energy`s (DOE) Brookhaven National Laboratory find that the addictive and long-lasting effects of this increasingly prevalent drug can be explained in part by its pharmacokinetics — the rate at which it enters and clears the brain, and its distribution. This study in 19 healthy, non-drug-abusing volunteers includes a comparison with cocaine and also looked for differences by race. It will appear in the November 1, 2008, issue of Neuroimage.

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