What is the difference between essential tremor and Parkinson's disease?

Essential tremor could be differentiated from Parkinson's disease, because it most commonly affects people when they're performing different actions, as well as holding particular postures. In contrast, Parkinson's disease typically affects people when they are completely at rest. Parkinson's disease patients also have slowness of movement, whereas, people with essential tremor should not have any slowness of movement at all.

People with Parkinson's disease also have quite a bit of stiffness, and they could also have trouble with walking, as well as problems with balance.

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