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A substance found in young spinal fluid helps old mice remember

A team at Stanford University has reversed memory loss in old mice by flooding their brains with spinal fluid taken from young animals. The finding may hold promise for Alzheimer's research.

A team at Stanford University has demonstrated a new approach to reversing memory loss — in mice.

An infusion of spinal fluid from young mice reversed the memory loss typically seen in aging animals, the team reported this month in the journal Nature.

A growth factor found in the fluid also improved memory, though to a lesser degree, says Tony Wyss-Coray, a neuroscientist and senior author of the study.

"When we put the factor in the

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