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The danger in just one hit of cocaine (Dramatic changes in brain; long-term mental effects possible)
Daily Mail UK ^ | JAMES CHAPMAN

Posted on 04/18/2011 11:18:14 AM PDT by Qbert

Taking cocaine just once can trigger dramatic changes in the brain, causing memory loss and leaving the user addicted, researchers have found.

The drug can 'hijack' normal memory function, making it difficult for those who have taken it to think about anything else.

The findings - the first to show cocaine's impact on the brain - will add to growing alarm about its long-term effects.

[Snip]

The processes which under-lie memory are also accelerated over this period.

Dr Antonello Bonci, assistant professor of neurology at the University of California in San Francisco, who led the research, said: 'The study shows that the capacity for strengthening connections between nerve cells - the basis for learning and memory - can be usurped by drugs of abuse.

The researchers - whose findings are published today in the scientific journal Nature - tested brain tissue from mice which had been given cocaine.

They focused on a part of the brain where cells called neurones produce a message transmitter chemical, dopamine, which plays a key role in addiction.

Dopamine release is linked to learning and memory via chemical and electrical signals.

Dr Mark Ungless, another member of the research team, said: 'What's so amazing is that nearly all dopamine neurones are affected by this single cocaine exposure.

(Excerpt) Read more at dailymail.co.uk ...


TOPICS: Culture/Society; News/Current Events
KEYWORDS: cocaine; drugabuse; obama
"I blew a few smoke rings, remembering those years. Pot had helped, and booze; maybe a little blow when you could afford it."

- Barack Hussein Obama

1 posted on 04/18/2011 11:18:22 AM PDT by Qbert
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To: Qbert

What about the millions of people who used cocaine infused cough syrups and other quackery tonics for decades in the Western world?


2 posted on 04/18/2011 11:20:48 AM PDT by JerseyHighlander
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To: Qbert

Does quoting the president make you a racist?


3 posted on 04/18/2011 11:21:25 AM PDT by Former Proud Canadian (How do I change my screen name now that we have the most conservative government in the world?)
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To: JerseyHighlander
What about the millions of people who used cocaine infused cough syrups and other quackery tonics for decades in the Western world?

They're all dead....coincidence?

4 posted on 04/18/2011 11:22:55 AM PDT by dfwgator
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5 posted on 04/18/2011 11:23:55 AM PDT by TheOldLady
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To: JerseyHighlander

Coke Cola is name that for a reason.


6 posted on 04/18/2011 11:26:34 AM PDT by driftdiver (I could eat it raw, but why do that when I have a fire.)
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To: Former Proud Canadian

Hey, I’m just stating the facts according to him!


7 posted on 04/18/2011 11:26:55 AM PDT by Qbert ("The best defense against usurpatory government is an assertive citizenry" - William F. Buckley, Jr.)
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To: Qbert

It’s official. Cocaine really is a hell of a drug.


8 posted on 04/18/2011 11:29:43 AM PDT by RichInOC (Palin 2012: The Perfect Storm.)
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To: JerseyHighlander

I blame them for the elecion of FDR and the welfare state that he started.


9 posted on 04/18/2011 11:33:49 AM PDT by chris_bdba
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To: chris_bdba

OPPPPSSS election


10 posted on 04/18/2011 11:34:22 AM PDT by chris_bdba
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To: Qbert

Oh good, another “crisis” to exploit.


11 posted on 04/18/2011 11:36:01 AM PDT by rhombus
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To: Qbert

Oh good, another “crisis” to exploit.


12 posted on 04/18/2011 11:36:16 AM PDT by rhombus
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To: rhombus

I’m just posting what the neurologists say. Don’t shoot the messenger. ;-)


13 posted on 04/18/2011 11:40:22 AM PDT by Qbert ("The best defense against usurpatory government is an assertive citizenry" - William F. Buckley, Jr.)
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To: Qbert
a little blow when you could afford it.

Maybe he was talking about Larry Sinclair?

14 posted on 04/18/2011 11:42:16 AM PDT by dragonblustar
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To: RichInOC

Well, I’m doomed. I’m surely going to die at some point in the future.


15 posted on 04/18/2011 11:52:14 AM PDT by glorgau
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To: Qbert

Somebody forward this to Charlie Sheen. Oh wait, too late.


16 posted on 04/18/2011 12:02:04 PM PDT by Georgia Girl 2 (The only purpose of a pistol is to fight your way back to the rifle you should never have dropped.)
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To: RichInOC

Ask Len Bias.


17 posted on 04/18/2011 12:05:08 PM PDT by Buckeye Battle Cry (Terrorism in nothing more than Kinetic Islam)
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To: Qbert
Surgeon general: 1 cigarette is 1 too many

12/08/2010

-snip-

"That one puff on that cigarette could be the one that causes your heart attack," said Surgeon General Regina Benjamin. "I advise people to try to avoid being around smoking any way that you can."

http://www.freerepublic.com/focus/f-news/2640246/posts

18 posted on 04/18/2011 12:53:36 PM PDT by Ken H
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