15 Oct 2019 --- The term “gut feeling” may have relevance as a physiological function. Scientists are becoming increasingly aware of how our bellies and brains are physically and biochemistrally linked, through the so-called gut-brain-axis (GBA). NutritionInsight speaks to leading researchers in this space to discover how overall health is not only dependent on nourishing ourselves, but also on sustaining the microbiome inside of us.