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Regular marijuana use takes a worse tax in succession the teenage brain than thought, express researchers in Montreal who studied the effects of cannabis in rats.

The findings suggest daily marijuana use by teens be able to cause depression and anxiety, and take an irreversible effect on the brain.

The close attention, which was published in the magazine Neurobiology of Disease, looked at 18 adolescent and adult rats that were exposed to cannabis.

Those given the remedy had decreased levels of serotonin, which affects vein.

The animals in addition showed higher levels of norepinephrine that can increase susceptibility to long-term stress, said Dr. Gabriella Gobbi, a psychiatric researcher from the Research Institute of the McGill University Health Centre.

“These permanent changes in the brain are also linked to certain mental illnesses, like schizophrenia,” Gobbi said Thursday.

“And we showed that on a level if we stopped the cannabis practice at the period of flower of life, the changes were still detectable in adulthood.”

Previous populousness studies have looked at how smoking marijuana can affect air in some teenagers. But Gobbi related this was one of the first to focus in succession how the mix with drugs affects perversion and anxiety in adolescence compared by adulthood.

The researchers also represent to observe a group of young common to mankind marijuana smokers to investigate the idea farther on.

The study was funded by a bestow from The Canadian Psychiatric Research Foundation.

With files from The Canadian Press