Scientists separate medical benefits of cannabis from 'unwanted'

These findings reveal how the cognitive effects of THC are triggered by a pathway which is separate from some of its other effects.

Scientists at the University of East Anglia in collaboration with the University Pompeu Fabra in Barcelona have found a way to separate the medical benefits of cannabis from its unwanted side effects.

The research comes from the team that discovered how the main psychoactive ingredient in cannabis, known as THC, reduces tumour growth in cancer patients.

Their latest findings, published today in the journal PLOS Biology, reveal how the cognitive effects of THC are triggered by a pathway which is separate from some of its other effects.

That pathway involves both a cannabinoid receptor and a serotonin receptor. When it is blocked, THC can still exert several beneficial effects -- including pain relief -- while avoiding impairment of memory.

The research was carried out in

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