Marijuana has been previously shown to impair memory. However, French scientists have recently demonstrated that tetrahydrocannabinol (THC), the psychoactive component in marijuana, interferes with working memory by affecting astrocytes, a type of brain cell. Astrocytes were previously thought to have only played a supportive role to neurons. Prior to the study, astrocytes did not demonstrate playing a role in memory processes. As a result, this research represents a significant leap forward in our understanding of the intricacies of neural processes.
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Source: Science Daily