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A short email about the organ nobody talks about — until it wrecks your day. One fact. One study. Two minutes, tops.

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A few things your gut already knows

Tap a card to see why it matters.

Wait, what?

Your gut has its own nervous system. Some call it a second brain.

Why it matters

Over 500 million neurons live in your gut wall — more than your spinal cord. That gut feeling? Actual wiring.

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Kind of a big deal

About 95% of your body's serotonin gets made in your gut, not your brain.

Why it matters

A rough gut day can feel like a rough mood day too. The two are wired together.

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Too weird to skip

Food takes roughly 53 hours to finish its trip through your gut.

Why it matters

Slower trips give bad bacteria more time to settle in. Fiber speeds things along.

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