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04-30-2007, 06:53 PM
Brain scans pinpoint cannabis mental health risk
Mon Apr 30, 2007 10:34 AM ET

By Ben Hirschler

LONDON (Reuters) - Brain scans showing how cannabis affects brain function may help explain why heavy consumption of the drug triggers psychosis and schizophrenia in a small number of people, scientists said on Monday.

Psychiatrists are increasingly concerned about the mental health impact of smoking large amounts of modern super-strength marijuana, or skunk, particularly among young people.

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http://today.reuters.com/news/articlenews.aspx?type=topNews&storyid=2007-04-30T143426Z_01_L30268412_RTRUKOC_0_US-CANNABIS-PSYCHOSIS.xml&src=rss&rpc=22