Parkinson's disease (PD) is a chronic and progressive neurodegenerative disorder that primarily affects movement but also encompasses a range of non-motor symptoms. The hallmark characteristic of PD is the loss of dopamine-producing neurons in the brain, leading to an imbalance in neurotransmitters. This results in the classic motor symptoms of tremors, bradykinesia (slowness of movement), rigidity, and postural instability. Over time, individuals may also experience non-motor symptoms such as cognitive decline, mood disturbances, sleep issues, and autonomic dysfunction... Download Full PDF