75 trillion cells receive blood from the heart. Only the corneas don’t.
In the Middle Ages, young men and women drew names from a bowl to see who would be their Valentine. They would wear this name pinned onto their sleeve for one week for everyone to see. This was the origin of the expression “to wear your heart on your sleeve.”
Each year 300,000 letters go through Loveland, Colorado to get a special heart stamp cancellation for Valentine’s Day.
Every day, your heart creates enough energy to drive a truck for 20 miles.
Valentine candy “conversation hearts” have a shelf life of five years.
Teachers receive the most Valentine’s Day cards, followed by children, mothers, and wives.
Every Valentine’s Day, the Italian city of Verona, where Shakespeare’s lovers Romeo and Juliet lived, receives about 1,000 letters addressed to Juliet.
In 1537, England’s King Henry VII officially declared February 14th the holiday of St. Valentine’s Day.
About 610,000 people die of heart disease in the United States every year – that’s 1 in every 4 deaths.
Laughter balances your stress hormones, reduces inflammation in your arteries, and increases HDL or “good” cholesterol. These effects last at least 24 hours, according to the American Heart Association.
Some extraordinary research has found that couples who are in love and bond in a romantic relationship synchronize their heart rates after gazing into each other’s’ eyes for three minutes.
Intense, traumatizing events, such as a break-up, divorce, loss of a loved one, physical separation from a loved one, or betrayal can cause real physical pains in the area of one’s heart. This condition is called the Broken Heart Syndrome. Deep emotional distress triggers the brain to distribute certain chemicals that significantly weaken one’s heart, leading to strong chest pains and shortness of breath. The condition is often misdiagnosed as heart attack and tends to affect women more often.