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Thread: Is it true that lead poisoning can cause criminals, social deviance, drug use and addiction?

  1. #1 Is it true that lead poisoning can cause criminals, social deviance, drug use and addiction? 
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    Number of people said lead poisoning in the US in the 70's, 80's and 90's was causing criminals,crime, social deviance, drug use and addiction? Is it true lead poisoning can cause criminals, social deviance, drug use and addiction?

    And now that lead poisoning is down so is every thing else.


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  3. #2  
    Bullshit Intolerant PhDemon's Avatar
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    Correlation is not causation... Lead poisoning can cause problems in the brain but I've never heard of any links to criminal behaviour...


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  4. #3  
    Brassica oleracea Strange's Avatar
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    Quote Originally Posted by PhDemon View Post
    Correlation is not causation... Lead poisoning can cause problems in the brain but I've never heard of any links to criminal behaviour...
    I have heard it suggested before but I don't know if there is any real evidence for it.
    ei incumbit probatio qui dicit, non qui negat
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  5. #4  
    Bullshit Intolerant PhDemon's Avatar
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    Maybe the OP can cite a source for us...
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  6. #5  
    exchemist
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    I found this passage in the Wiki article on lead poisoning:


    " Lead exposure in children is also correlated with neuropsychiatric disorders such as attention deficit hyperactivity disorder and anti-social behaviour.[66] Elevated lead levels in children are correlated with higher scores on aggression and delinquency measures.[5] A correlation has also been found between prenatal and early childhood lead exposure and violent crime in adulthood.[62] Countries with the highest air lead levels have also been found to have the highest murder rates, after adjusting for confounding factors.[5] A May 2000 study by economic consultant Rick Nevintheorizes that lead exposure explains 65% to 90% of the variation in violent crime rates in the US.[73][74] A 2007 paper by the same author claims to show a strong association between preschool blood lead and subsequent crime rate trends over several decades across nine countries.[75][76] Lead exposure in childhood appears to increase school suspensions and juvenile detention among boys.[77] It is believed that the U.S. ban on lead paint in buildings in the late 1970s, as well as the phaseout of leaded gasoline in the 1970s and 1980s, partially helped contribute to the decline of violent crime in the United States since the early 1990s.[76]

    So at least some researchers see a link.
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  7. #6  
    Bullshit Intolerant PhDemon's Avatar
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    OK, thanks, so there is some evidence for it, I'm still not convinced that reduction in lead levels is the main driver for lower crime, "deviance" or drug use though... There are many other factors that will also have an effect.
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  8. #7  
    exchemist
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    Quote Originally Posted by PhDemon View Post
    OK, thanks, so there is some evidence for it, I'm still not convinced that reduction in lead levels is the main driver for lower crime, "deviance" or drug use though... There are many other factors that will also have an effect.
    Yes I agree that a claim of that magnitude is hard to sustain, given the myriad social factors also at work.

    Anyway, lead poisoning is thought to have had a number of bad effects on Handel. He went to Aix-la Chapelle to take the waters until he got over it: The madness of George Frideric Handel | The Independent
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  9. #8  
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    Which of the following is not an example of misuse of authority?
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  10. #9  
    Bullshit Intolerant PhDemon's Avatar
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    yellow...
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  11. #10  
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    Yes, nec207, but it's not the chief culprit. Food additives and drugs used during pregnancy are. Note that this is from an industrialized, not worldwide, perspective. High levels of lead in the blood will cause nerve damage and change the shape of cerebral vessels. This results in the brain not being able to send all of the right messages between its sections, and therefore a lack of judgment, morality, ethics, and rationality. A properly nourished body can be somewhat resistant to absorbing lead, which is one of the reasons why previous generations have had many less disabilities than younger ones despite being exposed to much more of the element. In their youth, older people have only consumed pure food and beverages. The lowered crime rate is not germane to lead, which is still in many items anyway. It has come about because today's children have no freedom or privacy. Their parents won't let them out of their sight, and will instantly herald the slightest action to the world. Abuse of certain drugs has dropped, but risen among others. Social deviance has actually reached a sickening peak but is rarely recognized anymore, giving the illusion of lessening.
    Last edited by Theresa; September 3rd, 2020 at 06:10 PM. Reason: I left out two important details and my statement was too general
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