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I used a citizen-science programme, the American Gut Project, based at the laboratory of Professor Rob Knight at the University of Colorado, Boulder. Available to anyone around the world for a donation, the AGP sequences samples of microbes from the human body to learn more about the species we harbour and their impact on our health. By sending a stool sample containing the microbes from my own gut, I received a snapshot of the ecosystem that called my body home.
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Alanna Collen (10% Human: How Your Body's Microbes Hold the Key to Health and Happiness)