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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.
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.
Across most studies, findings suggest recency, frequency, and age of onset of cannabis use are likely key variables in predicting poorer neural health outcomes. There is some evidence that pre-existing differences in brain architecture may also contribute to vulnerability and outcome differences.
- New Research on Cannabis Use and Cognition in Midlife
- More Studies Are Needed on Cannabis Use and Brain Health
- What Should You Do If You Experience Cognitive Effects of Cannabis?
Recent research published in The American Journal of Psychiatryclosely followed nearly 1,000 individuals in New Zealand from age 3 to age 45 to understand the impact of cannabis use on brain function. The research team discovered that individuals who used cannabis long-term (for several years or more) and heavily (at least weekly, though a majority...
The new research is just one of several studies suggesting there is a link between long-term heavy cannabis use and cognition. Still, future studies are needed to establish causation and explore how long-term cannabis use might impact the risk of developing dementia, since midlife cognitive impairment is associated with higher rates of dementia.
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. Consider the following if you are experiencing cannabis-related cognitive s...
- hhp_info@health.harvard.edu
Oct 16, 2019 · In this article, we discuss some recent advances in understanding the long-term molecular, epigenetic, electrophysiological, and behavioral consequences of prenatal, perinatal, and adolescent exposure to cannabis/delta-9-tetrahydrocannabinol.
Sep 25, 2020 · How can marijuana exposure during late brain development affect cognition and reward processing in adulthood? Experiences in early life, such as consuming marijuana, may affect certain genes by permanently marking them active (on) or inactive (off) in a process called epigenetics.
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