Did you know - the heart has a brain of its own?

Dr. J. Andrew Armour introduced the term, "heart brain," in 1991. Armour showed that the heart’s complex nervous system qualified it as a "little brain

Researchers at the Institute of HeartMath and other organizations have shown that the human heart, in addition to its other functions, actually possesses the equivalent of its own brain, called the heart brain, which interacts and communicates with the head brain.

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See also Heartmath