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Industry: Email Alert RSS FeedStudy Offers Clues to Brain's Protective Mechanisms Against Alcoholism; Higher Dopamine D2 Receptor Levels May Protect Those With Family History of Addiction.
AScribe Health News Service, September, 2006
Byline: Brookhaven National Laboratory
UPTON, N.Y., Sept. 5 (AScribe Newswire) -- Why do some people with a strong family history of alcoholism develop alcohol dependency while others do not? A new study provides clues that differing brain chemistry may provide part of the answer. Researchers from four scientific institutions and federal agencies working at the U.S. Department of Energy's Brookhaven National Laboratory have found that elevated levels of D2 receptors for dopamine - a chemical "messenger" in the brain's reward circuits - may provide a protective effect for those most at risk for developing alcoholism. The study, part of an ongoing effort to understand the biochemical basis of alcohol abuse, also provides new evidence for a linkage between...
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