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Parkinson's disease causes uncontrollable tremors in people with the condition. Medications can slow the progression of the disease, but sooner or later, they are no longer enough. A new approach, ultrasound neurosurgery, can, in some cases, reduce tremors. Report broadcast on September 17, 2023 Journalist: Danny Lemieux Producer: Yanick Rose -- Visit our website to view all our content: https://ici.radio-canada.ca/decouverte Subscribe to our accounts: Facebook: / radiocanada.science Instagram: / radiocanadascience Twitter: / radiocanadainfo TikTok: / radio.canada.info