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One of the studies, from researchers in Denmark in collaboration with the U.S. National Institutes of Health, found evidence of an association between cannabis use disorder and schizophrenia.
[14] [15] [6]: 1 [1]: 1 [5]: 1 She also stated that studies that have been conducted since hers was completed seem to imply that a genetic link predicts both cannabis use and schizophrenia, and that the direction of causality is from genetics to schizophrenia and cannabis use, not from cannabis use by itself to schizophrenia; as well as that ...
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. [86]
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 ...
According to a new NAS report released on Thursday, Marijuana use may raise the risk of developing schizophrenia and other psychoses. Marijuana use linked to schizophrenia, no cancer threat Skip ...
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The earliest systematic studies of physiological effects of cannabis-derived chemical were conducted in the 1920's (see Fig. The number of publications about marijuana/cannabis). The level or research activity in this area remained relatively low and constant until 1966, when a 10-fold increase in publication activity occurred within 10 years.
An April 2023 study published in Cureus documented an increase in emergency room visits for psychiatric effects of cannabis after Michigan legalized the drug in 2018. Nearly 20% of emergency room ...