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Mostly affecting movement, Parkinson's disease is a chronic, progressive neurological condition. It happens when injured or dead dopamine-producing neurones in a part of the brain known as the substantia nigra One important neurotransmitter that facilitates coordinated, regulated muscular action is dopamine.
Often in the hands or fingers, tremors are the most obvious sign of Parkinson's; muscle rigidity, slowness of movement (bradykinesia), and poor balance or coordination also define the condition. Individuals may also find it difficult to write, speak, and complete daily chores as their illness advances. Non-motor symptoms, such as cognitive abnormalities, sleep problems, and sadness, also develop as the disease progresses.
Although treatments seek to control symptoms and enhance quality of life, Parkinson's cannot be cured at present. Levodopa and other medications help replace dopamine levels; some individuals may find benefit from surgical choices, including deep brain stimulation (DBS). Important elements of treatment include physical therapy, exercise, and lifestyle changes. Early diagnosis and a multimodal strategy can greatly improve the everyday activities and well-being of people with Parkinson's disease.