What is Tremor?

Tremor is the involuntary or unintentional rhythmic movement of one or more parts of the body and it may involve the hands, arms, legs, face, head, trunk, or vocal cords. It may be caused by a number of factors such as neurological disorders due to various causes with Parkinson’s disease being one of them as well as certain drugs, alcohol abuse or withdrawal, mercury poisoning, hyperthyroidism, or liver failure. Certain types of tremors may be inherited and are seen to run in families, but for which no known cause can be found, and these are called essential tremors.

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