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.Vagus nerve dysfunction can result in a whole host of problems including obesity, bradycardia (abnormally slow heartbeat), difficulty swallowing, gastrointestinal diseases, fainting, mood disorders, B12 deficiency, chronic inflammation, impaired cough, and seizures.Your social nervous system increases your ability to respond effectively when you feel keyed up with anxiety or shut-down with depression.Your vagus nerve plays a key role in your overall wellbeing and performance.Healing the nervous system can take time and requires patience. This book provides all the tools you need to understand your vagus nerve.