Parkinson’s disease (PD) is a progressive neurodegenerative disorder characterized by motor symptoms (tremor, rigidity, bradykinesia, and postural instability) and a wide range of non-motor/premotor symptoms (NMS) including depression, cognitive impairment, sleep disturbance, anxiety, and autonomic dysfunction. Traditional treatments such as levodopa and deep-brain stimulation improve motor function but fail to stop neuronal loss or disease progression. Emerging research shows […]
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