Your gut hosts around 500 million neurons—enough to form what's called the Enteric Nervous System (ENS), commonly nicknamed your "second brain." This vast neural network operates independently, managing digestion, emotions, and even influencing your mood. Amazingly, about 90% of the body’s serotonin, a critical neurotransmitter that regulates mood and anxiety, is produced here—not in your head! Communication between your brain and gut is continuous, subtly affecting your feelings, intuition, and mental well-being. This lesser-known brain-gut connection explains the butterflies in your stomach when you're nervous or that gut feeling you can't ignore.
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