Like millions of people, I first became aware of Jeff Leach when I read about his attempt to transfer a hunter/gatherer's fecal matter to his own colon as a way to study the human microbiome. Little did I know I'd find myself sitting at the table with him in rural Texas a few years later or that he'd agree to share his insights with me on a podcast. Jeff's published in Science, Nature and everywhere else a groundbreaking researcher could dream of, but he's too busy with new projects to reflect much on past success.

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