Unlock the secrets to your health and happiness with the power of the vagus nerve. The 200,000 fibres of the vagus nerve vibrate in tune with your health like the instruments of an orchestra. When your vagus nerve is harmonious, you thrive; when it is not, you suffer from poor sleep, low mood, pain, and chronic illness. In The Great Nerve, Dr Kevin Tracey’s pioneering research reveals how the vagus nerve is linked to regulating the immune system and your overall health. Learn how to support this vital nerve and uncover the truth behind stimulating strategies such as ice baths, meditation, exercise, and breathwork. Discover the extraordinary science that promises to transform healthcare, where computer chips may regulate blood sugar, and electrical implants may replace medications forever. The Great Nerve not only revolutionizes how we will understand and treat disease: it gives us unprecedented hope for our health.