N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion Long-term cannabis users showed IQ decline from childhood to midlife (mean −5.5 IQ points) JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly.You should upgrade or use an alternative browser. Members who reacted to message #6 All (6) Haha (6) Apr 23, 2022 BK38 Bluelight Crew Messages 16,904 Reaction score 15,532 Points 645 Apr 23, 2022 Electrum1 Bluelighter Messages 34,280 Reaction score 39,562 Points 445 Apr 21, 2022 Jabberwocky Frumious Bandersnatch · From Looking-Glass Land Messages 1,225 Reaction score 886 Points 545 Apr 21, 2022 Mr. Krinkle Bluelight Crew Messages 29,726 Reaction score 30,589 Points 820 Apr 21, 2022 stardust10 Bluelighter Messages 1,603 Reaction score 2,190 Points 70 Apr 21, 2022 thegreenhand Bluelight Crew · From a wooded hollow Messages 4,680 Reaction score 6,042 Points 170 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion Long-term cannabis users showed IQ decline from childhood to midlife (mean −5.5 IQ points)