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New Laser Device Helps Parkinson's Patients Walk

Parkinson’s disease slowly destroys the brain’s ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Clinic, in Jacksonville, Florida, have developed a laser-based device that helps patients walk again. Four years ago, Wayne Puckett could get around only in a wheelchair, because a form of Parkinson’s disease had damaged the connection between his brain and his leg muscles. “It is a hard thing to take and you feel like less of a person. You...

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