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3 days ago · Lifetime cannabis use is associated with several aspects of brain structure and function in later life but cannabis use may not be the cause of these changes, according to a new study by researchers at Oxford Population Health and the Department of Psychiatry. Published in BMJ Mental Health, this is the largest observational study of ...
Jun 1, 2023 · The latest findings are shedding light on how biological brain differences may influence cognitive effects in adolescent users, how cannabis can interfere with pharmaceutical medications for depression and other mental health issues, and the potential mental benefits for older adults.
Jul 16, 2020 · Results show that positive THC screening was associated with worse WM performance and that reduced brain activity in WM-related regions in combination with increased activity in WM-unrelated regions mediated this relationship.
- Emese Kroon, Lauren Kuhns, Janna Cousijn
- 2021
Jun 14, 2022 · Some people who consume cannabis long-term may develop brain fog, lowered motivation, difficulty with learning, or difficulty with attention. Symptoms are typically reversible, though using products with higher THC content may increase risk of developing cognitive symptoms.
- hhp_info@health.harvard.edu
Apr 18, 2024 · This study found that cannabis use during adolescence was associated with alterations in brain function in medial prefrontal cortical and insular brain regions during cognitive task. The study measured executive functioning, emotional reactivity and regulation, and processing of rewarding stimuli.
Jun 24, 2024 · This observational prospective study aims to determine the effect of marijuana use discontinuation on cognitive functions and cerebral perfusion in marijuana consumers, evaluated before and after 6 months of serial drug-screening test confirmed abstinence.
Lastly, the latter meta-analysis explored the effects of acute cannabis exposure on attention and inhibitory (i.e., response inhibition and decision making) performance and reported only mild detrimental effects (g = 0.24; g = 0.28, respectively) .