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Around the clinical world, there’s a growing awareness of the importance of the microbiome in a human’s gut. But in some ways, doctors have known this for a very long time, as we’ll see a bit later. Pre-Victorian medicine took a significant interest in the shapes, sizes and colors of someone’s defecations. And that through-line continues, in some ways, to today.

In today’s scientific world, it’s not so much about color, or shape, or size. It’s about the exact analysis of bacteria living and growing in the intestinal system. The microbiome, as with any complex microcosm, is a wild and colorful place, to be sure, with all kinds of colonized life (no pun intended) generating va

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