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New Brookhaven Lab study shows how ritalin works

igh," the Brookhaven researchers did not expect to see a significant increase in dopamine levels. Since they did see a significant increase, Volkow postulates that another factor is at work.

"Weve found that for drugs of abuse to be effective, they must get into the brain very quickly, and for that reason, when injected, Ritalin can become addictive," she said. "However, when Ritalin is given in pill form it takes at least 60 minutes to raise dopamine levels in the brain. So, it is the speed at which you increase dopamine that appears to be a key element in the addiction process."


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Contact: Peter Genzer
genzer@bnl.gov
631-344-3174
DOE/Brookhaven National Laboratory
15-Jan-2001


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