The gut is the largest organ in the human body. The inner surface of the lumen of the gut is covered by an abundance of bacteria. Under the layer of bacteria are epithelial cells, nerve cells, and immune cells. The gut so essential- it acts on most internal metabolic processes, immune capacities, as well as the physiological and neurological functions of the body. Neurological diseases such as autism originate in the gut. Healing the gut will healing the brain. In this book will take you step by step to achieve healing autism and many of diseases.