240: The Secrets to a Healthy Microbiome - How to Heal Your Gut and Heal Your Life with the Gut Health MD, Dr. B: Healthy gut, healthy life. The trillions of micro-organisms in your gut don’t just support your physical wellbeing, but your emotions too. Gut expert Dr. B. shares his best tips for a thriving digestive system. With co-host Whitney Lauritsen.