Parkinsonism refers to a group of neurological disorders that are characterized by symptoms similar to those of Parkinson's disease, such as tremors, muscle stiffness, and impaired movement control. These disorders can have various causes, including genetic factors, environmental factors, and drug-induced conditions. Parkinsonism can be differentiated from Parkinson's disease based on the underlying cause and specific symptoms present. Treatment options for parkinsonism vary depending on the cause and may include medication, physical therapy, and surgery. Research in the field of parkinsonism aims to better understand the underlying causes of these disorders, develop more effective treatments, and improve the quality of life for individuals affected by parkinsonism.