Brain imaging insight into cannabis as a pain killer
Brain imaging insight into cannabis as a pain killer.
The pain relief offered by cannabis varies greatly between individuals, a brain imaging study carried out at the University of Oxford suggests.
The researchers found that an oral tablet of THC, the psychoactive ingredient in cannabis, tended to make the experience of pain more bearable, rather than actually reduce the intensity of the pain.
MRI brain imaging showed reduced activity in key areas of the brain that substantiated the pain relief the study participants experienced.