A naturally produced protein can help the brain bypass the damage done by a stroke, perhaps offering a way to keep patients from losing speech and use of their limbs, researchers working on rats said on Monday.



Experiments in rats, published in Monday’s issue of the Proceedings of the National Academy of Sciences, show the protein can stimulate the growth of new nerves across the brain. They essentially bypass the damaged area, and gave the rats back limited use of their paws.

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