Lately I've read about that, I wouldn't guess such thing existed
"The gut-brain axis refers to the bidirectional communication system linking your gastrointestinal tract (the gut) and your central nervous system (the brain).a8a140 This "second brain" in your gut, known as the enteric nervous system, contains millions of neurons that can operate independently but constantly exchange signals with the brain via nerves, hormones, and immune pathways.b074dc It's not just about digestion—it's a key player in mood, stress, and even cognitive functions"
By grok
