THow much do you think about your gut? Are you taking a probiotic or prebiotic? If so, you’re not alone as globally we spend billions of dollars on soothing our stomachs. Our guts do so much more than just digest our food and there’s a very special connection to our brain. So how exactly does our gut work? And what do we need to do in order to keep it healthy?Presented by Tanya BeckettProduced by Louise ClarkeResearched by Matt ToulsonMixed by Nicky EdwardsProduction co-ordinator Brenda BrownThe editor is Tom BigwoodContributors:Geoff Preidis, a gastroenterologist at Baylor college of medicine at Texas children’s hospital in HoustonImage: Man bites in to cheeseburger, Credit: Emanuele Cremaschi/Getty Images