Attempting to zap Parkinson's through spinal cord

WASHINGTON (AP) -- Implanting a pacemaker-like device deep in the brain helps some Parkinson's disease patients move better, but could less risky zapping of the spinal cord work instead? It did in mice and rats nearly immobilized with Parkinson's-like symptoms: Scientists at Duke University Medical Center turned on the electricity and videotaped the rodents immediately scurrying around almost like normal....

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