Is Pain in the Brain? Uncovering the Reason 40,000 Neurons Live in the Heart

Photo by RODNAE Productions from Pexels

In 1991 over 40,000 neurons were discovered on the heart. These neurons we can call the “little brain” or in black tie settings “intrinsic cardiac nervous system.”

These neurons connect directly to a branch of the vagus nerve, which is over 80% afferent, which means it talks to the brain 80% of the time and listens only 20%. What’s…