pstrongThe vagus nerve is the most important nerve you probably didn't know you had.strongppstrong strongIt 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.pp ppstrong strongDr Justin Hoffman, a Santa Rosa, California, licensed naturopathic medical physician, says pp emWithout the vagus nerve, key functions that keep us alive would not be maintained.emppem emNationally recognized sports nutritionist, strength, and conditioning coach Brandon Mentore elaborates pp emThe vagus nerve is extremely critical to your overall health and is intimately tied in with multiple organs and systems of the body.emppem emppem emVagus nerve dysfunction can result in a whole host of problems including obesity, bradycardia abnormally slow heartbeat, difficulty swallowing, gastrointestinal diseases, fai