Understanding the Microbiome, Gut Bacteria
The human microbiome refers to the trillions of microorganisms—bacteria, viruses, fungi, and protozoa—that live on and inside the body. The gut microbiome, in particular, plays a crucial role in digestion, immune function, and even brain chemistry. Research is rapidly uncovering how this “second brain” in the gut communicates with our actual brain and influences physical and mental well-being.