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Parkinson’s Disease

Parkinson’s Disease Symptoms and Causes

Parkinson's disease is the most common form of parkinsonism, a group of motor system disorders. Parkinson’s disease is a slowly progressing, degenerative disease with symptoms such as tremors or trembling of the arms, jaw, legs and face; stiffness or rigidity of the limbs and trunk; and slowness of movement and postural instability or impaired balance and coordination. The loss of dopamine-producing brain cells is one of the main causes of Parkinson’s disease.