The gut does more than just breaking down and absorbing foods. The gut is a complex bio-organism, containing micro flora, mucus membranes, immune cells and nerve cells, all of which have their own biological cycles and biochemical reactions. The gut is the body's biggest organ and has the most nerve cells called the enteric system, more than the central nervous system. The leaky-gut is main cause the disease of brain and nerves system. The key of treatment is healing gut and automated healed brain.