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Hormone injection might boost brain function in old age
8/9/2017
Alain Jocard/AFP/GettyImages

When mice were treated with a naturally occurring hormone called klotho that past research has linked to preserved cognitive function in old age, their ability to navigate a maze improved within hours, and the effect lasted well after the protein should have left their bodies, researchers report in Cell Reports. Treated mice included some with brain changes characteristic of Alzheimer's and Parkinson's diseases in humans.

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