Do you find yourself reaching for the cookie jar a little more frequently during the holidays? Maybe this time of year gets your appetite for baked goods going and, while it’s our brain telling us we want that chocolate chip cookie, our stomachs have a lot of influence on those signals. Tune into episode 3, The Science of Metabolism, to find out why.  In this episode, Liv & Drew interview Dr. Oliver Fiehn to discuss the development of the gut microbiome, its role in regulating appetite, and all of the pathways currently being uncovered. You will learn why the gut microbiome is so important, how a technological breakthrough is changing the way scientists study metabolism, and why metabolomics is improving the lives of premature babies.To learn more about Dr. Fiehn’s work, click here. You can follow Drew & Liv on Instagram @scienceinsociety to stay in the know on upcoming episodes, new content, and their ~nearly~ famous science shenanigans.