Cannabis "does not slow progress of multiple sclerosis", scientists claim in blow to hopes drug could provide relief to sufferers

Cannabis 'does not slow progress of multiple sclerosis', scientists claim in blow to hopes drug could provide relief to sufferers Researchers found patients who took capsules containing THC, a key active ingredient in cannabis, fared no better than those given a placeboStudy assessed MS patients on both a disability scale administered by neurologists and another based on their own reporting | UPDATED: 15:55 GMT, 29 May 2012 Cannabis does not slow the progression of multiple sclerosis, a large-scale study has concluded.