The gut earned its whole-body reputation through three real connections: a direct nerve line to the brain, an immune training school at its wall, and a currency — fiber converted by bacteria into compounds that reach the liver, the fat, the brain. None of it is metaphor; all of it is plumbing. This guided journey covers the three lines and what flows along them.
3 quick steps~2 minutesEvidence-awareHealth info, not a diagnosis