Essential tremor is a nervous system disorder that causes involuntary shaking and is the most common type of tremor. It can occur at any age, but is most common in older adults, affecting almost any part of the body, but most often the hands.

Essential Tremor vs. Parkinson's Disease

Although essential tremor is often associated with Parkinson's disease, there are distinct differences between the two conditions. Essential tremors typically occur when the hands, or affected body part, are in use; in Parkinson's disease, the tremor is more likely to occur when affected body part is at rest.

Essential tremor does not usually lead to other health problems, but Parkinson's disease is associated with other neurological problems, such as slow movement, unsteady gait, and stooped posture.

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