Andrew Huberman· PhD
And so the vagus nerve is made out of many thousands of fibers, individual fibers that make this gigantic bundle. And it's likely as we're speaking, that each of these fibers carries a slightly different meaning... This group of fibers is telling the brain about the state of your heart. This group of fiber is telling the brain about the state of your gut. This is telling your brain about its nutritional state, this, your pancreas, this your lungs.