The vagus nerve is the most important nerve you probably didn't know you had.
The vagus nerve is a long meandering bundle of motor and sensory fibers that links the brain stem to the heart, lungs, and gut.
It also branches out to touch and interact with the liver, spleen, gallbladder, ureter, female fertility organs, neck, ears, tongue, and kidneys.
Dr Justin Hoffman, a Santa Rosa, California, licensed naturopathic medical physician, says: Without the vagus nerve,.