Thus far, we have learned that a healthy intestinal barrier is that way because there are a lot of players concertedly making it happen. The community of trillions of microbes living in the gut, the motility of the gastrointestinal tract, a mucous layer, tightly...

The wall, or lining of the gastrointestinal (GI) tract is the largest surface of the human body that is exposed to the external environment. Previously, it was thought that the surface of the GI tract was as big as a tennis court, but now scientists are countering...

Boundaries are what define and identify one thing from another. They can be guidelines, rules, or limits. Relational and emotional boundaries establish dividing lines between you and everyone else. They aid in retaining individuality, mutual respect, and friendship....