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Researchers found that more days of use were correlated with decreases in inhibitory control, and visuospatial ability. Contrary to existing cross-sectional studies showing marijuana use in adolescence is associated with poor cognitive functioning, there were no associations between long-term cannabis use and memory and processing speed. [55]
The observed effects on memory and learning, they said, showed long-term cannabis use caused "selective memory defects", but "of a very small magnitude". [85] A study by Johns Hopkins University School of Medicine found that heavy cannabis use is associated with decrements in neurocognitive performance even after 28 days of abstinence.
Legal cannabis (marijuana) product. Overconsumption and reliance could lead to cannabis-induced amotivational syndrome. The term amotivational syndrome was first devised to understand and explain the diminished drive and desire to work or compete among the population of youth who are frequent consumers of cannabis and has since been researched through various methodological studies with this ...
Marijuana and THC can have a long-term impact, according to research. Experts say the effects of cannabis on adolescents can stick around after being high. Marijuana use may cause cognitive ...
A growing body of research and numerous anecdotal reports link cannabis with several health benefits.
Marijuana use is at an all-time high in the United States. In the past decade alone, Americans' reported marijuana smoking has more than doubled, increasing from 7% to 13% from 2013 to 2023 ...
Researchers in Italy and the U.K. have found high-potency marijuana can affect the corpus callosum, the nerves that connect the halves of the brain. 'Skunk' marijuana may hinder brain's ability to ...
Cannabis use disorder (CUD), also known as cannabis addiction or marijuana addiction, is a psychiatric disorder defined in the fifth revision of the Diagnostic and Statistical Manual of Mental Disorders and ICD-10 as the continued use of cannabis despite clinically significant impairment.