The largest study yet into the effects of cannabis on the brains of 18- to 36-year-olds has found that the drug can reduce brain function during cognitive tests. The findings will help people to make an informed decision about the pros and cons of using cannabis.

The largest study yet into the effects of cannabis on the brains of 18- to 36-year-olds has found that the drug can reduce brain function during cognitive tests. The findings will help people to make an informed decision about the pros and cons of using cannabis.

Archived version: https://web.archive.org/web/20250130042220/https://newatlas.com/brain/young-adult-cannabis-brain-function/

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  • catloaf@lemm.eeEnglish
    561·
    1 day ago

    recent and heavy lifetime cannabis use was associated with a statistically significant reduction in brain activity only during the working memory task.

    That’s a much smaller impact than the headline would lead you to think. If you’re not a heavy user, or you’re a heavy user but not for the past month, then you are unlikely to see significant mental changes. And even if you do, it’s only for short-term working memory, no other types of mental ability.

    • Weslee@lemmy.worldEnglish
      17·
      1 day ago

      Yeah, it seems pretty obvious to me that you don’t remember things well while you’re high, just like you don’t remember things while you’re drunk.

    • Dasus@lemmy.world
      53·
      23 hours ago

      Also I’d like to see it done on a “heavyweight smoker” who’s not uses cannabis for say, six months to a year.

      Because I think all of the heavy lifetime users were also actively blazed as fuck.