Pro medical marijuana research paper

Cannabis use is associated with neuroanatomic alterations in brain regions rich in cannabinoid receptors, such as the hippocampus, prefrontal cortex, amygdala, and cerebellum. The same review found that greater dose of marijuana and earlier age at onset of use were also associated with such alterations. [96] [97] It is unclear, however, whether these alterations are caused by marijuana use or were present before such use. [98] A 2010 review found resting blood flow to be lower globally and in prefrontal areas of the brain in cannabis users, when compared to non-users. It was also shown that giving THC or cannabis correlated with increased bloodflow in these areas, and facilitated activation of the anterior cingulate cortex and frontal cortex when participants were presented with assignments demanding use of cognitive capacity. [99] Both reviews noted that some of the studies that they examined had methodological limitations, for example small sample sizes or not distinguishing adequately between cannabis and alcohol consumption. [97] [99] Cannabis users appear to have smaller hippocampi than nonusers; this finding is based on a series of small studies with inconsistent designs, so it is uncertain. [100] A 2016 meta-analysis found that regular cannabis users tended to have cue reactivity , the intensity of which ranged from moderate to very high. [101]

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Pro medical marijuana research paper

pro medical marijuana research paper

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