That stomach drop when something feels off. The nausea before a hard conversation even starts. That's not in your head. There's a nerve that runs from your gut to your brainstem, and 80% of its traffic flows upward. A 2018 study in Science discovered your gut signals your brain in milliseconds, faster than any conscious thought. This episode explains the nerve behind your gut feelings and why your body sounds the alarm before your mind catches up.

Maya Sloane is a nervous system educator, not a doctor. Nothing here is medical advice or diagnosis.

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