Your health and happiness depend on a bundle of 200,000 nerve fibres that holds the secrets to life itself 'Comprehensive and compelling' - New Scientist 'The Great Nerve is altogether a masterpiece and a timeless document for those who want to see what science is all about: faith, focus, patience and hard work' Wim Hof, bestselling author of The Wim Hof Method ___________ The vagus nerve is often referred to as the 'superhighway' which connects every organ of the body to the brain, and vice versa, but it is so much more than just traffic.