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The gut can drive age-associated memory loss, research reveals

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An intestinal immune cell detects medium-chain fatty acids produced by aging gut bacteria through the GPR84 receptor, releasing inflammatory molecules that block signaling along the vagus nerve to the hippocampus. Disruption of this gut-brain pathway drives age-associated cognitive decline. Credit: Thaiss Lab

We become forgetful as we age. This is often seen as a universal truth, but in fact it…

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