A study published in The International Journal of Molecular Sciences has determined the daily use of cannabinoids may improve speech fluency in patients diagnosed with Tourette Syndrome. Researchers from the Hannover Medical School in Germany looked at the impact of daily cannabinoid treatment in two patients with treatment-resistant vocal blocking tics, with one patient using THC-dominant whole-plant cannabis and the other using dronabinol (oral THC). Both treatments produced “significant improvement not only of simple and complex motor and vocal tics, but also in the overall symptomology including comorbid conditions and most importantly significantly improved patients’ quality of life including their social contacts and performance at school without side effects.” While this study is small, it supports previous studies that have found inhaled cannabis or oral synthetic THC improve the symptoms associated with Tourette syndrome. More research is left to be desired, but the researchers claim, “[C]annabis-based medicine appears to be effective in treatment-resistant TS patients with vocal blocking tics.”
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