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Marijuana Dosen't Harm Brain, Study Shows

Discussion in 'Channel Zero' started by Dick Quickwood, Jun 30, 2003.

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  1. Dick Quickwood

    Dick Quickwood 12oz Loyalist

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    Marijuana Dosen't Harm Brain, Study Shows

    Discussion started by Dick Quickwood - Jun 30, 2003

    LOS ANGELES (June 27) - Smoking marijuana will certainly affect perception, but it does not cause permanent brain damage, researchers from the University of California at San Diego said Friday in a study.

    "The findings were kind of a surprise. One might have expected to see more impairment of higher mental function," said Dr. Igor Grant, a UCSD professor of psychiatry and the study's lead author. Other illegal drugs, or even alcohol, can cause brain damage.

    His team analyzed data from 15 previously published, controlled studies into the impact of long-term, recreational cannabis use on the neurocognitive ability of adults.

    The studies tested the mental functions of routine pot smokers, but not while they were actually high, Grant said.

    The results, published in the July issue of the Journal of the International Neuropsychological Society, show that marijuana has only a marginally harmful long-term effect on learning and memory.

    No effect at all was seen on other functions, including reaction time, attention, language, reasoning ability, and perceptual and motor skills.

    Grant said the findings are particularly significant amid questions about marijuana's long-term toxicity now that several states are considering whether to make it available as a medicinal drug.

    In California, growing marijuana for medical purposes is legal under a voter-approved law.

    The UCSD analysis of studies involving 704 long-term cannabis users and 484 nonusers was sponsored by a state-supported program that oversees research into the use of cannabis to treat certain diseases.

    Anecdotal evidence has shown that marijuana can help ease pain in patients with diseases like multiple sclerosis or prevent severe nausea in cancer patients, but the effects have yet to be proven in controlled studies, Grant said.

    The UCSD research team said the problems observed in learning and forgetting suggest that long-term marijuana use results in selective memory defects, but said the impact was of a very small magnitude.

    "If we barely find this tiny effect in long-term heavy users of cannabis, then we are unlikely to see deleterious side effects in individuals who receive cannabis for a short time in a medical setting," Grant said.

    In addition, he noted that heavy marijuana users often abuse other drugs, such as alcohol and amphetamines, which also might have long-term neurological effects.

    Some of the research studies used in the analysis were limited by the numbers of subjects or insufficient information about factors like exposure to other drugs or whether participants suffered from conditions like depression or personality disorders.

    "If it turned out that new studies find that cannabis is helpful in treating some medical conditions, this enables us to see a marginal level of safety," Grant said.
     
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  2. Dick Quickwood

    Dick Quickwood 12oz Loyalist

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    Dick Quickwood - Replied Jun 30, 2003

    haha has anyone seen those commercials that say Marijuana: its more harmful than we all thought
     
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  3. When

    When 12oz Loyalist

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    When - Replied Jun 30, 2003

    bullshit.
     
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  4. Dick Quickwood

    Dick Quickwood 12oz Loyalist

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    Dick Quickwood - Replied Jun 30, 2003

    the article's legit
     
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  5. effyoo

    effyoo 12oz Elite Member

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    effyoo - Replied Jun 30, 2003

    Link please.
     
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  6. space base

    space base 12oz Senior Member

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    space base - Replied Jun 30, 2003

    THATS OLD NEWS, ONCE YOU STOP TH STUPIDNESS WEARS OFF
     
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  7. When

    When 12oz Loyalist

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    When - Replied Jun 30, 2003

    maybe biased

    maybe the people they studied had different smoking habits than others
     
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  8. Dick Quickwood

    Dick Quickwood 12oz Loyalist

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    Dick Quickwood - Replied Jun 30, 2003

    i think the "brain damage" you get is the small amount of thc that remains in your body
     
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  9. cantbefaded

    cantbefaded 12oz Member

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    cantbefaded - Replied Jun 30, 2003

    Ban, lose, cancel, close, etc.
     
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  10. FratGuyJoe

    FratGuyJoe 12oz Junior Member

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    FratGuyJoe - Replied Jun 30, 2003

    i haven't slept in 36 hours:freak2:
     
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  11. ment2

    ment2 New Jack

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    ment2 - Replied Jun 30, 2003

    its so dumb to do a study on weed smokers' mental funcitons when they're high and then use the information as if that was how the brain functioned all the time... it never even occured to me that that's where most of the "facts" about marijuana come from.

    i hate those "more harmful" commercials. it should be "stupid people: more harmful then we all thought." one of them is two kids smoking in a bathroom stall at a fucking concert... if you're dumb enough to smoke weed in a venue, in the bathroom, with a bunch of people in there, you shouldnt be smoking weed anyway. anywho... fuckin weed. yeahr.
     
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  12. SteppinRazor

    SteppinRazor 12oz Junior Member

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    SteppinRazor - Replied Jun 30, 2003

    i am high right now.
    and they didn't do the study while they were high, they said they studied them when they weren't high.
     
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  13. krie

    krie Guest

    krie - Replied Jun 30, 2003


    you are a raver aren't you ?
     
  14. test pattern

    test pattern 12oz Elite Member

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    test pattern - Replied Jun 30, 2003

    i am
    :gaga:
     
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  15. OMARNYCAKASW1

    OMARNYCAKASW1 12oz Senior Member

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    OMARNYCAKASW1 - Replied Jun 30, 2003

    if this doesnt prove it damages your brain i dont know what else does







    [​IMG]
     
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