The connection between gut and brain

In every language of our planet, people use proverbs connecting gut, brain and feeling with each other. We may follow a “gut feeling” or feel “butterflies in the stomach” when in love. Scientists have in recent years uncovered that these may be more than just words.

When a gut feeling makes us anxious or nervous, that signal might actually come from the second largest concentration of nerve-cells in our body (besides the brain): Our intestines. Discoveries about the “brain in the belly” have revolutionized our understanding of how diet, digestion, mood and health are connected with each other.

The long standing medical consensus was, that problems like depression or anxiety contributed to gastrointestinal symptoms. Now there is significant evidence, turning the image of culprit and victim upside down.

These findings give a much better explanation for why a disproportional number of people with digestive issues...