Parkinson's disease is a neurodegenerative disorder characterized by the progressive loss of dopaminergic neurons in the substantia nigra region of the brain. This results in a range of motor symptoms, including tremors, rigidity, bradykinesia, and postural instability. In addition to these motor symptoms, individuals with Parkinson's disease may also experience non-motor symptoms such as cognitive impairment, autonomic dysfunction, and psychiatric disturbances. The exact cause of Parkinson's disease is not fully understood, but it is believed to involve a combination of genetic and environmental factors. The pathological hallmark of Parkinson's disease is the presence of Lewy bodies, which are abnormal protein aggregates that accumulate in the brain. Currently, there is no cure for Parkinson's disease, but treatment options are available to help manage symptoms and improve quality of life. These may include medications, physical therapy, occupational therapy, and in some cases, surgical interventions such as deep brain stimulation. Overall, Parkinson's disease is a complex and challenging condition that requires a multidisciplinary approach to care. By understanding the underlying mechanisms of the disease and developing innovative treatment strategies, researchers hope to improve outcomes for individuals living with Parkinson's disease.