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Who put the heart in Valentine's Day?

OMRF doctors discuss the heart and the meaning of Valentine's Day.
BY GREG ELWELL Modified: February 14, 2014 at 10:00 am •  Published: February 13, 2014

Every year on Valentine's Day, couples exchange romantic gifts of chocolates, roses and jewelry. Some will take vacations. Some will pledge their love. According to the National Retail Federation, last year Americans spent $18.6 billion to show their affection.

But, to paraphrase Tina Turner, what's the heart got to do, got to do with it?

“Love is really a function of the brain, not the heart,” said Oklahoma Medical Research Foundation President Dr. Stephen Prescott. “In 2004, anthropologist Helen Fisher published research of brain scans to show that the feelings we associate with love are caused by a chemical reaction.”

So that blissful feeling of love is really a melange of norepinephrine, dopamine and other chemicals.

But where does the heart come in? Rodger McEver, chairman of OMRF's cardiovascular biology research program, said his scientists spend their time looking at how the heart (and blood vessels and lymph nodes) works in keeping people alive — not its role in love.

Scientist and philosopher Aristotle believed the heart was the source of all passions. The first known appearance of the heart symbol was in the manuscript of the French “Roman de la poire” — though this heart was upside down and pointed by a lover at his lady.

And one origin of the familiar heart shape comes from a French nun, Saint Margaret Mary Alacoque, who had visions of “The Sacred Heart” of Jesus in the 1600s. That heart, surrounded by flames, is more anatomically accurate than the symbol bandied about today, thanks to what looks like an aorta and pulmonary artery feeding into the top.

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