Drinking Alcohol Shrinks Critical Brain Regions in Genetically Vulnerable Mice, Brookhaven National Laboratory Study
2/16/2012 7:11:19 AM
Brain scans of two strains of mice imbibing significant quantities of alcohol reveal serious shrinkage in some brain regions -- but only in mice lacking a particular type of receptor for dopamine, the brain's "reward" chemical. The study, conducted at the U.S. Department of Energy's Brookhaven National Laboratory and published in the May 2012 issue of Alcoholism: Clinical and Experimental Research, now online, provides new evidence that these dopamine receptors, known as DRD2, may play a protective role against alcohol-induced brain damage.
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