The Gut-Brain-Immune Axis: What Your Gut Is Really Telling You The gut is far more than a digestive system. It is a complex ecosystem that communicates constantly with the brain and immune system, influencing everything from inflammation and immunity to mood, energy, metabolism, and overall health.

In this episode of Functional Medicine Unlocked, Dr. Miiko Rowley sits down with gastroenterologist and functional medicine expert Dr. Vivian Asamoah to unpack the gut-brain-immune axis and what happens when this communication system becomes disrupted. Together, they explore the gut microbiome, intestinal permeability (“leaky gut”), SIBO and SIFO, histamine intolerance, mast cell activation syndrome (MCAS), parasites, environmental exposures, and the impact of medications, stress, sleep, diet, and social connection on gut health.

Dr. A ...