In a study conducted by the University of Oxford, it has been discovered that cannabis makes pain more bearable rather than relieving it. The psychoactive ingredient found in cannabis reduces activity in that part of brain which is linked to the emotional aspects of pain.
The researchers evaluated the effects of cannabis on 12 healthy men. Some of the participants were placed on a placebo and others were given a tablet of 15 mg THC (delta-9-tetrahydrocannabinol). After taking the tablet, the participants were asked to apply some pain-inducing cream on their one leg.
The researchers took four MRI scans of each patient to learn how their brain activity changed when their emotional reaction to pain diminished. The MRIs showed decreased activity in main areas of brain as an outcome of pain relief.
Dr. Michael Lee, lead author of study from the Oxford University stated that on an average the participants, who took THC didn’t report reduction in their pain but it made pain less bothering. He further added that cannabis cannot be used as a conventional pain reliever as it works only for a few people and does not work for others at all.
The study was published in the journal Pain and was funded by the UK Medical Research Council and the National Institute for Health Research (NIHR) Oxford Biomedical Research Centre.
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