Why It Matters When you think about your health you likely think about your heart, your fitness level or your mental state. But what if the true control centre of your health was hiding from view in your digestive system? New advances in research are making the gut a priority — for good reason. The Gut: Not Just the Secretion. Your gut is home to more than 38 trillion microorganisms (bacteria, fungi and viruses) that make up complex ecosystem called gut microbiome. This ecosy