An intestinal peptide that regulates glucose metabolism by stimulating insulin secretion from the pancreas is now shown to enhance learning and memory. The peptide can also protect nerve cells in models of neurodegenerative disorders (pages 1173–1179).
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Mattson, M., Perry, T. & Greig, N. Learning from the gut. Nat Med 9, 1113–1115 (2003). https://doi.org/10.1038/nm0903-1113
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DOI: https://doi.org/10.1038/nm0903-1113
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