Known risk factors for essential tremor include:

  • Genetic mutation. The inherited variety of essential tremor (familial tremor) is an autosomal dominant disorder. A defective gene from just one parent is needed to pass on the condition.

    If you have a parent with a genetic mutation for essential tremor, you have a 50 percent chance of developing the disorder yourself.

  • Age. Essential tremor is more common in people age 40 and older.
Feb. 20, 2013

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