There are numerous connections between the gut and the brain (often called the gut-brain axis or GBA), and psychological therapies have proven helpful in addressing problems with this communication system.
The enteric nervous system (ENS), which can be thought of as the nervous system within the gastrointestinal (GI) tract (also referred to as “the second brain”), is made up of hundreds of millions of nerves.
International Foundation for Gastrointestinal Disorders
