+**Gut bacteria** are a vast, unseen world of microorganisms residing within the [Gastrointestinal Tract](/wiki/gastrointestinal_tract). This intricate [Microbiome](/wiki/microbiome) is essential for human well-being, playing a crucial role in [Digestion](/wiki/digestion) and shaping our immune system.
+## See also
+- [Probiotics](/wiki/probiotics)
+- [Immunity](/wiki/immunity)
+- [Nutrition](/wiki/nutrition)
... 1 more lines