Characterized by a progressive tremor of the upper extremities, present in posture and action, without other neurologic signs or symptoms.
The prevalence and incidence increases with age, but the condition can appear in early adulthood in those who have a family history.
Most people are only mildly affected. Those who seek medical care are disabled to some extent and often socially handicapped by the tremor.
There is no cure but there are treatments that provide relief and improve quality of life. These include drug therapies and surgical procedures.
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