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Undernews is the online report of the Progressive Review, edited by Sam Smith, who covered Washington during all or part of one quarter of America's presidencies and edited alternative journals since 1964. The Review has been on the web since 1995. See main page for full contents

August 1, 2009

STUDY: POT HAS MINIMAL EFFECT ON BRAIN FUNCTION

NORML - The consumption of cannabis, even long-term, has a "minimal" impact on brain function, according to a systematic literature review just published online by the journal Psychological Medicine.

An international team of investigators from the United Kingdom, Spain, Brazil, Australia, and Switzerland conducted a systematic review of the effects of cannabis on brain structure and function.

Investigators concluded, "Minimal evidence of major effects of cannabis on brain structure has been reported," noting that marijuana users and controls perform similarly on cognitive tasks.

According to a 2001 study published in the journal Archives of General Psychiatry, long-term cannabis smokers who abstained from pot for one week "showed virtually no significant differences from control subjects (those who had smoked marijuana less than 50 times in their lives) on a battery of 10 neuropsychological tests." Investigators added, "Former heavy users, who had consumed little or no cannabis in the three months before testing, [also] showed no significant differences from control subjects on any of these tests on any of the testing days."

5 Comments:

Anonymous Mairead said...

I'm really surprised that people seem not to have grasped that pot prohibition has nothing at all to do with any physiological effects.

It's just another wedge issue useful for dividing us and soaking up energy that might otherwise be spent getting rid of the elite parasites.

August 1, 2009 3:56 PM  
Anonymous Woody Allen said...

... because I took a puff like five years ago at a party and tried to take my pants off over my head...

August 1, 2009 10:18 PM  
Anonymous Anonymous said...

There have to be arbitrarily illegal substances in oder for law enforcement to maintain the ability to arbitrarily arrest who they wish. These laws function much like the obviously unconstitutional public disturbance laws that are used in cases like that of Professor Gates. The "authorities" want to be able to arrest anyone at anytime and what could be an easier frame-job than planting a little pot on someone.

August 2, 2009 10:28 AM  
Blogger m said...

Smoking or otherwise ingesting pot may not have any significant deleterious long term mental effects. But given the endless generation of inane and imagined "research" created by those fighting the war against pot, that being opposed to others using pot seems to generate massive damage to both ethics and the brain.

August 2, 2009 1:10 PM  
Anonymous Woody Allen said...

I was classified 4P by my draft board. In the event of a war, I would have been a hostage.

August 2, 2009 6:33 PM  

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