The Roles of Intestinal Nerves and Serotonin in Gut Function and Dysfunction

While the big brain in our head is dealing with abstract thoughts and complicated equations, the “little brain” in our gut is dealing with the everyday, but complex, work of digestion and defecation. IFFGD Research Award winner, Dr. Gary Mawe, PhD, talks about his work studying how nerve cells regulate muscle function in the gut and how the neurotransmitter serotonin acts as a signaling molecule to activate gut reflexes.