![A pig explores objects in an arena designed for research on piglet brain development at the U of I Piglet Nutrition and Cognition Lab.](https://will.illinois.edu/images/uploads/47695/pig_exploring_objects__medium.png)
New Study Supports Link Between Gut Health & Brain Development
Prebiotics are a class of small, indigestible fiber molecules present in human breast milk and known to promote growth of good bacteria in the gut. A new study from the University of Illinois involving piglets suggests prebiotics may also improve learning and memory.