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What is an essential tremor?

Essential tremor (ET) is a nerve disorder characterized by uncontrollable shaking, or “tremors,” in different parts and on different sides of the body. Areas affected often include the hands, arms, head, larynx (voice box), tongue, and chin. The lower body is rarely affected.

ET is not a life-threatening disorder, unless it prevents a person from caring for him or herself. Most people are able to live normal lives with this condition – although they may find everyday activities like eating, dressing, or writing difficult. It is only when the tremors become severe that they actually cause disability.