Cannabis users are more likely to feel deceived by others
People who use marijuana are significantly more likely to feel that others wish them harm or are deceiving them, a US study found.
Brain scans also reveal the class-B drug increases signal connectivity in regions of the brain that have previously been linked to psychosis, the research adds, which is associated with severe depression.
Teenage cannabis users are particularly affected as their brains are still developing, according to the researchers.
In the US, 44 percent of those aged 12 or over have used cannabis at some point in their lives.
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