Paul Irish
The Star

A study out of the University of California has found that marijuna helps relieve pain iand muscle tightness in MS sufferers.

Smoking marijuana can relieve muscle tightness, spasticity (contractions) and pain often experienced by those with multiple sclerosis, says research out of the University of California, San Diego School of Medicine.

The findings, just published in the Canadian Medical Association Journal, included a controlled trial with 30 participants to understand whether inhaled cannabis would help complicated cases where existing pharmaceuticals are ineffective or trigger adverse side effects.

MS is an unpredictable, often disabling disease of the central nervous system, which is made up of the brain and spinal cord.

The disease attacks the myelin, the protective covering wrapped around the nerves of the central nervous system, and — among other symptoms — can cause loss of balance, impaired speech, extreme fatigue, double vision and paralysis.

The average age of the research participants was 50 years with 63 per cent of the study population female.

More than half the participants needed walking aids and 20 per cent used wheelchairs.

Rather than rely on self-reporting by patients regarding their muscle spasticity — a subjective measure — health professionals rated each patient’s joints on the modified Ashworth scale, a common objective tool to evaluate intensity of muscle tone.

The researchers found that the individuals in the group that smoked cannabis experienced an almost one-third decrease on the Ashworth scale — 2.74 points from a baseline score of 9.3 — meaning spasticity improved, compared to the placebo group.

As well, pain scores decreased by about 50 per cent.

“We saw a beneficial effect of smoked cannabis on treatment-resistant spasticity and pain associated with multiple sclerosis among our participants,” says Dr. Jody Corey-Bloom of the university’s department of neuroscience.

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