You have the power to search for "cannabis iq" and find the literature. Generally I expect some basic scientific literacy on HN. But of course I should have le

You have the power to search for "cannabis iq" and find the literature. Generally I expect some basic scientific literacy on HN. But of course I should have learned by now to expect science denialism when ego is at stake. If you want a concrete source look at any of the studies that cite the twin studies, including the meta-analysis from this year. https://www.cambridge.org/core/journals/psychological-medicine/article/intelligence-quotient-decline-following-frequent-or-dependent-cannabis-use-in-youth-a-systematic-review-and-metaanalysis-of-longitudinal-studies/26BEC9CBD2A39010C26100278F8CA813 https://www.cambridge.org/core/journals/psychological-medici... Scientific American is not a peer reviewed publication. They are science journalism and they aren't even particularly careful about their analysis. They posted an article in 2017 claiming cannabis might make you smarter: https://www.scientificamerican.com/article/marijuana-may-boost-rather-than-dull-the-elderly-brain/ https://www.scientificamerican.com/article/marijuana-may-boo...