What is essential tremor?
Essential tremor is a condition in which a person experiences involuntary shaking of parts of their body.
What causes essential tremor?
The exact cause of essential tremor is unclear but it is known that it runs in families and that the severity of the condition increases with age, stress, a lack of sleep and caffeine.
What are the symptoms of essential tremor?
The main symptom of essential tremor is involuntary shaking of the hands, head, legs, voice or jaw which usually occurs when a person is trying to do something and subsides when they are resting.