There is a theory amoungst many scientists and researchers today, along with neurocardiologists, who consider the heart, which maintains a constant two-way dialogue and relationship involving many processes with the brain may contain a brain in its own right.

There are so many new interesting, theories and treatments that are a renewal of old beliefs proved to have some basis in modern experimentation. Using light to cure was an old medicine and thit has come back in many forms including, blue acne light.

The heart and brain actually influence one another’s functioning, and though not commonly known, the heart sends a great deal more information to the brain than the other way around. The information it sends includes heart signals that can influence a person’s perception, emotional experience and higher cognitive functions.

You can read more about this interesting theory, here:- The "Heart Brain"