A new type of drug could alleviate pain in a similar way to cannabis(marijuana) without affecting the brain, according to a new study published in the journal Pain on Monday 15 September. The research demonstrates for the first time that cannabinoid receptors called CB2, which can be activated by cannabis use, are present in human sensory nerves in the peripheral nervous system, but are not present in a normal human brain. Drugs which activate the CB2 receptors are able to block pain by stopping pain signals being transmitted in human sensory nerves, according to the study, led by researchers from Imperial College London. Read More...
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