About a decade ago, Joan Riggs, a 64-year-old from Lemoyne, started to have shaky hands. At first, it was an annoyance.

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Propranolol and Primidone demonstrate efficacy in up to 70% of patients as first-line agents. MR-Guided Focused Ultrasound (MRgFUS) results in approximately 56% tremor reduction at 4 years. Deep Brain ...