This week, Emily and Perry are bravely tackling one of our most beloved bodily functions, polite company be damned: poop! Is it, as Emily asks, truly the window to our souls? How much about our health and wellness can be ascertained by studying the texture, transit time, and frequency of our poop? What's the optimal way to poop? Should we be fibermaxxing? How special are our gut biomes? It's not a gross episode if you learned something.

Plus: the deadly duo of rabies and measles, and how to get ahead of both.

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