Study links Marijuana with Psychosis

A recent study published on MyHealthNewsDaily found that two ingredients in marijuana have side effects related to psychosis. Tetrahydrocannabinol, also known as THC, increases brain processes that are related to psychosis. The other ingredient, cannabidiol, acts to reject the symptoms related to THC. This interaction, or opposition, of the two ingredients can cause severe brain problems for marijuana users. This causes confusion of stimuli in the user’s brain and disrupts the brain’s ability to processes the difference between stimuli that are important.

In previous studies, THC was shown to have worsen in people already suffering from psychosis. Marijuana is also associated with symptoms of schizophrenia

The study conducted on marijuana use associated with psychosis involved fifteen healthy men who smoked  marijuana occasionally in the past. “The researchers used functional magnetic resonance imaging (fMRI) scans to observe the men’s brains after they took pills containing THC, cannabidiol or a placebo.” Afterwards, the men were asked to perform computer tasks, which would measure their ability to respond to different stimuli. According to the study, “THC significantly increased the severity of psychotic symptoms compared with placebo.” However, there were significant differences in psychosis symptoms when cannabidiol or the placebo were taken.

To read the full article, click here.

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