Childhood marijuana use can affect brain function and lower IQ: study

A new study out of Western University and the Robarts Research Institute in London, Ontario, has found that early use of marijuana can detrimentally affect brain functioning and potentially lower IQ.

Researchers were looking into the effects of frequent marijuana use on brain development and mood disorders in youth aged 16 to 23 and found not only that marijuana use did not alleviate depressive symptoms but that it had a deleterious effect on brain functioning in a number of areas related to visuo-spatial processing, memory, self-referential activity and reward processing.

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  • moraywatson

    The real concerns for the lowering of societal IQ are our pathetic social justice based childhood education system (now fully ensconced after 50 years), and inter-cousin marriage (a now near and present danger).

  • Waffle

    Justin soaked in THC-infused amniotic fluid during the time he was a fetus. And that doesn’t even consider the blood/brain connection.

    • Clink9


      He was destined to be a snowboarder.

    • JoKeR

      That is a big assumption on your part.

      How do you know Margaret wasn’t taking anti-psychotic medications at the time, instead?

      • Waffle

        Not assumption. Margaret wrote about it herself in her tell-all “Beyond Reason”. Look it up. There must be at least a few copies still around. I still have my copy if you can’t find one. Years later she tried to whitewash it all in yet another book, “Changing My Mind” and blamed it all on mental illness.

        • JoKeR


          • Waffle

            Just so you understand the context of this vicious little book. Maggie and Pierre had already separated. Politically, he was on his way out. It was just a matter of time. Maggie, who has remained a willful child her whole life, was a very angry little girl and I think she wrote the book (unless she was put up to it — who knows?) to get back at Pierre for him having “wronged” her. There were strong hints as to his bisexuality in a CBC docu-drama produced around the same time as the book came out. Anyway,, she let it all hang out — the dope smoking. She had been a well-known pot-head since her teen years. And the sex. Hanging with the Stones was fodder for the tabloids but in the book, she described in excruciating detail how she did it with Jack Nicholson standing up in a washroom stall at Studio 54. As I said, it was a vicious little book.

            Fast forward to the 21st century. When it became apparent that her first-born was to be the anointed one and provide the way back to power for the Liberals, Maggie’s unsavory past had to be purified. How better to explain the inexplicable than to blame it on a temporary lapse of sanity. After all, mental illness had now become respectable. So, another book came out. You can read the fawning reviews of her rehabilitation as the worthy mother of a future PM in the Mop and Pail.

            Happy reading!

  • Maggat

    That study certainly seems to bare fruit, in shiny pony’s case.

  • ontario john

    Well, that kind of puts a damper on Little Justin’s Saturday night parties.

  • terrence22

    These kinds of studies go back a very, VERY long time – this has been known for several generations. The pot heads ALWAYS ignore them – with what is left of their brains.

  • New Centurion

    Never let facts get in the way of public policy making

    • JoKeR

      Stoned children, become stoned voters/good Liberal voters.