Brain zapper that can steady trembling hands - Daily Mail

Experts do not know the exact cause of essential tremor, it is thought to be triggered by abnormal electrical signals in the brain which transmit tremors through the nervous system.

A one-time treatment that zaps the brain with high-powered ultrasound waves can ease debilitating tremors that affect more than a million Britons. The procedure can give patients their lives back, s… [+4197 chars]

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