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Essential tremor

Essential tremor is a neurological disorder characterized by shaking of hands (and sometimes other parts of the body including the head), evoked by intentional movements.

The incidence is unknown, but is estimated to be as common as one person in 20, and it is the most common type of tremor and also the most commonly observed movement disorder.

Note: This article excerpts material from the Wikipedia article "Essential tremor", which is released under the GNU Free Documentation License.

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