The Vagus Nerve – Your Body’s Info Super Highway

🧠 What is the vagus nerve? The vagus nerve—Latin for “wandering”—is the 10th cranial nerve, extending from the brainstem through the neck and chest to the abdomen. It comprises two bundles (left and right) containing about 100,000 sensory fibers each, plus fewer motor fibers. Most fibers (~80–90%) carry sensory information from organs back to the

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