A key component to wellness is gut health. But what determines if you have a healthy gut?  On this week’s episode of Well, Now, we dive into the fascinating world of the gut microbiome, a collection of bacteria and sometimes fungi that live in the human digestive system.  We are provided with insight from Dr. Colin Hill, professor of Microbiology at APC Microbiome Ireland on how to properly take care of your microbiome and why it is essential If you liked this episode, check out – Doctors Agree: Obesity is a Disease. The Public Needs to Catch Up. Well, Now is hosted by Dr. Kavita Patel and registered dietitian nutritionist Maya Feller. Editing and podcast production by Kristie Taiwo-Makanjuola and Vic Whitley-Berry. Editorial oversight by Alicia Montgomery. Send your comments and recommendations on what to cover to wellnow@slate.com. Want to listen to Well, Now uninterrupted? Subscribe to Slate Plus to immediately unlock ad-free listening to Well, Now and all your other favorite Slate podcasts.  Subscribe now on Apple Podcasts by clicking “Try Free” at the top of our show page. Or, visit slate.com/wellplus to get access wherever you listen. Learn more about your ad choices. Visit megaphone.fm/adchoices