This small study showed that cannabis (Marijuana) did not have any positive effect on tremor experienced by MS patients. In fact, the commentary is somewhat funny (finger-tapping test was slower in those on marijuana, feel-good was higher...)
"BACKGROUND: Disabling tremor is common in patients with multiple sclerosis (MS). Data from animal model experiments and subjective and small objective studies involving patients suggest that cannabis may be an effective treatment for tremor associated with MS...
RESULTS: Analysis of the data showed no significant improvement in any of the objective measures of upper limb tremor with cannabis extract compared to placebo...
CONCLUSIONS: Cannabis extract does not produce a functionally significant improvement in MS-associated tremor."
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