Studies based on patient reports have suggested that cannabis, or marijuana, and its psychoactive component THC may be effective in suppressing symptoms of Tourette’s syndrome (TS).1-4 TS is a neurological disorder that can cause repetitive involuntary movements (tics), vocal sounds, and obsessive-compulsive behaviors. Last month the journal Pharmacopsychiatry published the first double-blind placebo controlled trial examining the safety and efficacy of THC in the treatment of TS. Corroborating previous evidence, the trial found that a single dose of THC significantly suppressed TS symptoms and produced no serious adverse reactions.5 TS symptoms are currently treated with drugs such as neuroleptics, which … Continue reading THC Suppresses Symptoms of Tourette’s Syndrome