the blossoming field of...

the blossoming field of neurogastroenterology will likely offer some new insight into the workings of the second brain—and its impact on the body and mind. One day, perhaps there will be well-known connections between diseases and lesions in the gut’s nervous system as some in the brain and spinal cord today indicate multiple sclerosis.

—Think Twice: How the Gut’s “Second Brain” Influences Mood and Well-Being: Scientific American