Benign essential tremor (ET) is a movement disorder most commonly characterized by shaking in the hands. It occurs in as much as 10% of people over the age of 60. It may also cause shaking of the head, voice, arms, and trunk, and less often, of the legs and feet. Two types of tremor are common with ET:
- Postural tremor—shaking in certain positions only, such as with arms outstretched
- Kinetic or action tremor—shaking that gets worse during activities, such as eating or shaving
In some cases, ET can be socially isolating. It may interfere with normal daily activities, such as writing or speaking. If so, contact your doctor for an evaluation.
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