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Vagus Nerve: The mysterious nerve network that quiets pain and stress — and may defeat disease

Vagus Nerve: The mysterious nerve network that quiets pain and stress — and may defeat disease

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Take a deep breath. Hug a friend. Reach for the ceiling and stretch your limbs. Each of these simple acts bestows a sense of calm and comfort. And each works its soothing magic in part by activating a complicated system of nerves that connects the brain to the heart, the gut, the immune system, and many of the organs. That system is known collectively as the vagus nerve. The vagus nerve is one of the twelve cranial nerves, which sprawl out from the brain and into the body like an intricate network of roots. These nerve networks act as lines of communication between the brain and the body’s many systems and organs. Some of the cranial nerves interpret sensory information collected by the skin, eyes, or tongue. Others control muscles or communicate with glands. The vagus nerve, also called the “10th cranial nerve,” is the longest, largest, and most complex of the cranial nerves, and in some ways it’s also the least understood. Experts have linked its activity to symptom changes in…
Source: Vagus Nerve: The mysterious nerve network that quiets pain and stress — and may defeat disease

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