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Cannabis Campaigners' Guide News Database result:
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CA: Study shows marijuana increases brain cell growth
Juanita King The Muse, Memorial University of Newfoundland
Saturday 26 Aug 2006 science: Study shows marijuana increases brain cell growth By , The Muse (Memorial University of Newfoundland) ST. JOHN’S, Nfld — Supporters of marijuana may finally have an excuse to smoke weed every day. A recent study in the Journal of Clinical Investigation suggests that smoking pot can make the brain grow. Though most drugs inhibit the growth of new brain cells, injections of a synthetic cannibinoid have had the opposite effect in mice in a study performed at the University of Saskatchewan. Research on how drugs affect the brain has been critical to addiction treatment, particularly research on the hippocampus. The hippocampus is an area of the brain essential to memory formation. It is unusual because it grows new neurons over a person’s lifetime. Researchers believe these new cells help to improve memory and fight depression and mood disorders. Many drugs -— heroin, cocaine, and the more common alcohol and nicotine — inhibit the growth of these new cells. It was thought that marijuana did the same thing, but this new research suggests otherwise. Neuropsychiatrist Xia Zhang and a team of researchers study how marijuana-like drugs — known collectively as cannabinoids — act on the brain. The team tested the effects of HU-210, a potent synthetic cannabinoid similar to a group of compounds found in marijuana. The synthetic version is about 100 times as powerful as THC, the high-inducing compound loved by recreational users. http://www.peak.sfu.ca/the-peak/2005-3/issue9/ne-mj.html
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