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Facebook Threads X / Twitter WhatsApp LinkedIn Reddit Email Print Our gut microbiota leave behind helpful postbiotics after digestion Redjina Ph/Getty Images A postbiotic could reduce the risk of damage after a traumatic brain injury, such as a concussion. Mice that had traumatic brain injuries experienced less damage and performed better on cognitive tests if they were given a postbiotic – a byproduct produced when gut bacteria digest food – before injury.

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