Part 1. Our body, the intelligent supercomputer. The mind-body connection is real ; How the mind communicates with the gut ; How your gut talks to your brain ; Microbe-speak: a key component of the gut-brain dialogue

Part 2. Intuition and gut feelings. Unhealthy memories: the effects of early life experience on the gut-brain dialogue ; A new understanding of emotions ; Understanding intuitive decision making

Part 3. How to optimize brain-gut health. The role of food: lessons from hunter-gatherers ; The onslaught of the North American diet: what evolution did not foresee ; The simple road toward wellness and optimal health.