View Poll Results: Does Marijuana destroy brain cells?

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  • Yes, it destroys brain cells.

    16 45.71%
  • No, it doesn't destroy brain cells.

    12 34.29%
  • I don't know.

    7 20.00%
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Thread: Marijuana and IQ Damage

  1. #21
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    Re: Marijuana and IQ Damage

    Quote Originally Posted by Dwight View Post
    Heavy pot usage causes certain mental impairments, for example sentence construction. But in adults if you stop smoking and let it clear out the problem goes away, unlike a lot of the damage that alcohol does.
    It not does that. Hold on . . . (sound of lighter . . . whhiiishhhh . . . ecccghhh sqquuuich cough) . . . jest you surely do. Not does it way any sentence effect of the structure pot. Jeesh!

  2. #22
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    Re: Marijuana and IQ Damage

    Choice Number 4: I don't care.

  3. #23
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    Re: Marijuana and IQ Damage

    Quote Originally Posted by DiavoTheMiavo View Post
    It not does that. Hold on . . . (sound of lighter . . . whhiiishhhh . . . ecccghhh sqquuuich cough) . . . jest you surely do. Not does it way any sentence effect of the structure pot. Jeesh!
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  4. #24
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    Re: Marijuana and IQ Damage

    The research methodology in the OP is flawed for many reasons, the first of which is that it's not possible to create a control that separates cannabis, tobacco, and alcohol use from one another as variables for the effects observed.

    Most of the aging population that were heavy cannabis uses for most of their lives are only now reaching the age where research can be done to determine what life-long use has accomplished.

    Up until now, the claim that cannabis causes permanent damage to the brain has been continuously debunked. It does however cause short-term impairment that is reversible once stopped. I'd personally be more concerned about the effects on the lungs if you're not using a vaporisor.

  5. #25
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    Re: Marijuana and IQ Damage

    Quote Originally Posted by Northern Light View Post
    The research methodology in the OP is flawed for many reasons, the first of which is that it's not possible to create a control that separates cannabis, tobacco, and alcohol use from one another as variables for the effects observed.

    Most of the aging population that were heavy cannabis uses for most of their lives are only now reaching the age where research can be done to determine what life-long use has accomplished.

    Up until now, the claim that cannabis causes permanent damage to the brain has been continuously debunked. It does however cause short-term impairment that is reversible once stopped. I'd personally be more concerned about the effects on the lungs if you're not using a vaporisor.
    Dunno about IQ damage, but it sure as hell causes Amotivational Syndrome. Of course it's temporary...but what the hey.

  6. #26
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    Re: Marijuana and IQ Damage

    Quote Originally Posted by RabidAlpaca View Post
    Ultimately, however, none of it matters, because your brain is constantly regrowing brain cells. You don't have a limited number of brain cells any more than you have a limited number of hair. (Well I guess some of us do) When cut, it will end up growing back in time.
    No, neurons do not regrow. That's why brain and spinal damage are permanent.
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  7. #27
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    Re: Marijuana and IQ Damage

    From what I've gathered, weed doesn't outright kill braincells. It just makes you too lazy to actually use them and they eventually atrophy with disuse.

    Possibly relevant.

  8. #28
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    Re: Marijuana and IQ Damage

    Quote Originally Posted by Wake View Post
    This issue has been discussed more times than I can count, and partisans from both sides of the aisle have painted their sides of the story.

    So, what's the truth? Last time I discussed this issue, I used this article:



    Cannabis smoking 'permanently lowers IQ' - Telegraph

    No one seems to know the number of flip-flops on this issue in regards to marijuana's effect on IQ. What do you think?
    I'm not sure on this. most information I have come across in relation to the adverse impacts of cannabis use hasn't mentioned a direct causal link on IQ - however, I believe that due to the impact on memory it habitual users may well have poorer results on IQ tests. Also, long term marijuana use has other adverse mental health impacts which may also influence performance on these tests.

    WRT early use of marijuana, the mid - late teens is a crucial period in the psychological development of the young person. If you must use this stuff, please try to defer it until you are in your twenties, or use it only very occasionally.
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  9. #29
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    Re: Marijuana and IQ Damage

    Quote Originally Posted by Tucker Case View Post
    I saw an article once that claimed aging has been shown to permanently lower IQ, too. Just sayin.
    Actually, our IQ increases with our age till our 50s or so. Until the point where your brain starts decomposing.

  10. #30
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    Re: Marijuana and IQ Damage

    Quote Originally Posted by Wake View Post
    This issue has been discussed more times than I can count, and partisans from both sides of the aisle have painted their sides of the story.

    So, what's the truth? Last time I discussed this issue, I used this article:



    Cannabis smoking 'permanently lowers IQ' - Telegraph

    No one seems to know the number of flip-flops on this issue in regards to marijuana's effect on IQ. What do you think?
    And just as last time I will point out that the study in question was tainted by the fact that they did not account for the subjects use of other drugs during the study.

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