Science Confirms That the Vagus Nerve Is Key to Well-being

19 DECEMBER 2019

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.

Stephen Silberstein, MD, a professor of neurology and director of the Headache Center at Philadelphia’s Thomas Jefferson University Hospitals co-wrote a comprehensive 2016 review of the research on the vagus nerve. He says that heightened vagal activity slows heart rate and also switches off inflammation, in part by triggering the release of immune system calming chemicals.

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