(+3023) Persistent cannabis users show neuropsychological decline from childhood to midlife User edditbot, in the Reddit 10 Years Ago subreddit, 28 Aug 2022
A large longitudinal study in New Zealand found that frequent marijuana use in teens was associated with a loss of an average of 6 or up to 8 IQ points measured in mid-adulthood. Those who quit using as adults did not recover the lost IQ points. User Tory-Three-Pies, in the Attacker Smoked Cannabis subreddit, 29 Jan 2022
(+3023) Persistent cannabis users show neuropsychological decline from childhood to midlife User l_-_-_-_-_-_-_-_-_l, in the Reddit 9 Years Ago subreddit, 28 Aug 2021
(+3023) Persistent cannabis users show neuropsychological decline from childhood to midlife User l_-_-_-_-_-_-_-_-_l, in the Reddit 8 Years Ago subreddit, 28 Aug 2020