The future of gut health

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Microbiologist Justin Sonnenburg wants you to know that you – and all humans, really – are not alone. Inside each of us live uncountable bacteria without whom we could not survive. Nowhere is this symbiosis more vital, Sonnenburg says, than in the digestive tract – the gut – where trillions of bacterial collaborators help digest the foods that nourish us. Sonnenburg studies what makes this complex relationship work and how modern life is altering this important chemistry. He says the gut microbiome should be thought of as another organ. When it drifts out of balance, the effects ripple through our metabolism, our immune systems, and our nervous systems. Sonnenburg goes on to explain how…