Researchers at Stanford University School of Medicine in California discovered umbilical cord blood to restore the learning ability that declines with age.
Injecting older mice with human umbilical cord blood revitalized mice's brain function, researchers suggest it may do the same in human brain.
Hippocampal part of the brain is responsible for converting experiences in to long-term memories can't function properly as we increase in age because it will loses nerve cells and shrinks.
Human and mice have tissue inhibitor of metalloproteases 2 (TIMP 2) in common, the protein improved nerve-cell activity in the brain in a laboratory experiment.
TIMP 2 was injected into older mice and it replicated the positive effects of the umbilical cord, scientists confirmed that umbilical cord plasma improved hippocampal function in mice.
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