'Surprising' vaping THC study in Ontario shows similarities to schizophrenia

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A new study by Ontario researchers suggests that brain activity in rats exposed to the vapourized psychoactive component of marijuana is similar to those with schizophrenia and cannabis-induced psychosis.

Jibran Khokhar, an assistant professor of neuroscience at the University of Guelph, says the rodents' dampened brain activity lasted at least a week after exposure to T-H-C.

He says the fact the effects lasted that long was really surprising.

Khokhar and his team are now trying to tease out the long-known relationship between marijuana use and schizophrenia.

His team surgically implanted electrodes into the brains of eight healthy rats that had never been exposed to T-H-C.

After the animals recovered from the surgery, his team pumped pure vapourized THC or a saline solution into sealed rat chambers and monitored the animals' brain activity.