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Christine Nguyen, M.D., is a clinical assistant professor of pediatrics at Stanford University School of Medicine. She is a practicing pediatric gastroenterologist and journalist.

We’ve all seen pictures of our central nervous system and its control center, the brain. But did you know your gut houses your “second brain”? The brain in your head and the brain in your gut talk to each other all the time.

This independent, research-based blog does not necessarily reflect the opinions of Stanford University School of Medicine.

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