[Mb-civic] Brain Chemicals Suggest Marijuana's Effects

[richard haase]

I like the effect it has on my brain
im being effected right now

----- Original Message ----- 
From: "Robin McNamara" <olhippie at tampabay.rr.com>
To: <mb-civic at islandlists.com>
Sent: Saturday, October 02, 2004 7:13 PM
Subject: Re: [Mb-civic] Brain Chemicals Suggest Marijuana's Effects


> You know not only is "erb"good for for you no matter how how you look at
it,
> I do believe it has had a wonerful effect on my brain :) ooohhhhh wee did
I
> really say that?
>
> Peace
> Ronin
>
>
>
>
>
> - Original Message ----- 
>
> From: "Michael Butler" <michael at michaelbutler.com>
> To: "Civic" <mb-civic at islandlists.com>
> Sent: Saturday, October 02, 2004 7:04 PM
> Subject: [Mb-civic] Brain Chemicals Suggest Marijuana's Effects
>
>
>
> http://my.webmd.com/content/Article/94/102660.htm
>
> Brain Chemicals Suggest Marijuana's Effects
>
> Natural Substances May Mirror Pot's Effects on the Brain
>
> By Miranda Hitti
> WebMD Medical News
> Reviewed By Brunilda Nazario, MD
>  on Wednesday, September 15, 2004
>
> Sept. 15, 2004 -- Marijuana is well known for its widespread effects on
the
> brain. The key to understanding its impact may come from the brain's own
> pharmacy.
>
> Brains make their own calming substances called cannabinoids, which are
> similar to marijuana's active ingredients.
>
> Cannabinoids are made in the brain's cortex, an area which processes
sensory
> information and orchestrates movement, thinking, learning, and emotions.
>
>  Scientists already knew that the cells in this area of the brain can make
> their own cannabinoids.
>
> These cells (pyramidal) normally work to excite neighboring cells; using
> their homemade cannabinoids temporarily allows more information to be
> processed by lowering the brain's inhibition of excess information
> processing. By lulling other brain cells, cannabinoids temporarily leave
the
> pyramid cells free to fire away.
>
> Now, researchers at Stanford University in California have found that
other
> type of brain cells -- LTS cells -- can also make cannabinoids.
>
> LTS cells ordinarily keep pyramid cells in check. This process works to
> guard too much information being processed from pyramidal cells to
> neighboring cells within the brain region.
>
>  But when LTS cells make their own cannabinoids, they tune themselves out
> from surrounding cells.
>
> As a result, the brain's pyramid cells are temporarily freed from
> inhibition. They then process excess information to other cells.
>
> The effects can last up to 35 minutes.
>
> Marijuana's active ingredients may behave the same way, latching on to
these
> cannabinoid receptor sites allowing information to be process in an
altered
> way.
>
>  "A loss of inhibition in pyramid cells could produce changes in
perception,
> in motor function, and in everything the cerebral cortex does," researcher
> David Prince, MD, says in a news release.
>
> Studying cannabinoid receptors may one day lead to drugs for conditions
such
> as epilepsy, says Prince, the Edward F. and Irene Thiele Pimley professor
of
> neurology and neurosciences at Stanford University School of Medicine.
>
> During seizures pyramidal cells fire out of control, one reason may be
that
> neighboring cells get shut down. Targeting and blocking cannabinoid
> receptors might quiet pyramidal cells activity.
>
> Prince and Stanford colleagues based their study on lab rats. Their report
> appears in the Sept. 16 issue of Nature.
>
> SOURCES: Prince, D. Nature, Sept. 16, 2004. News release, Stanford
> University Medical Center.
>
>
>
>  Print Friendly Version   Email a Friend
>
>
>
>
> Depression Often Accompanies Epilepsy
>
> Epilepsy Causes Few Fatal Car Accidents
>
> Brain Chemicals Suggest Marijuana's Effects
>
> Snail Venom Studied as Source for New Drugs
>
>  Read more in the Epilepsy Health Center
>
>  Living with epilepsy? Get tips and support here.
>
>
>
>
>
> © 2004 WebMD Inc. All rights reserved.
>
>
>
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