Our brains build maps of the environment that help us understand the world around us, allowing us to think, recall, and plan. These maps not only help us to, say, find our room on the correct floor of ...

A recent study in an animal model provides direct evidence for the role of the vagus nerve in gut microbiome-brain ...

Medically reviewed by Alicen Nelson MD, MPH The navel, also known as the belly button or umbilicus, is a small, round, or oval indentation or bump in the middle of the abdomen (belly). It marks where ...