From birth, the GI tract serves to provide nutrients to our bodies, enhance the immune response, house the intestinal microbiota, and serve as a “second brain” with the brain-gut axis. The dietary needs of the GI tract change from newborn, thru infancy, childhood, and adulthood. The function of the GI tract will be explained and how a healthy diet can promote optimal organ function and a healthy microbiome. Understanding the normal functions of the GI tract and diet will also help identify when to seek GI care for symptoms. There are natural tie ins to prior World Digestive Health Days (WDHD), particularly the 2020 campaign on the gut microbiome and the 2021 campaign on obesity. Continue reading here!