what effect will cutting the vagus nerve branch have on gastric function
1 Common Treatments for Vagus Nerve Disorders The vagus nerve is one of the most important nerves in the body. 2  It carries messages to and from the brain and regulates internal organs, such as the stomach and heart. It carries messages to and from the brain and regulates internal organs, such as the stomach and heart. 2  Alcohâ¦. 3  Determining the Causes of Gastroparesis The human stomach is designed to receive chewed food, which it then churns, dissolves, and partially digests.