Posted: Aug 13, 2017 06:55 PM CDT
Updated: Aug 13, 2017 06:55 PM CDT
Left-handedness is a rare phenomenon that affects only about 10 percent of the world's population. In celebration of International Left-Handers Day on Aug. 13, take a look at these interesting facts about left-handed people.
1. Between 10-12 percent of people on Earth are left-handed. Women are more likely to be right-handed than men by about 4 percentage points.
2. August 13th is "Left-Hander's Day." Launched in 1996, this yearly event celebrates left-handedness and raises awareness of the difficulties and frustrations left-handers experience every day in a world designed for right-handers.
3. A higher-than-usual percentage of recent U.S. presidents have been left-handed. Four out of the past eight commanders in chief -- Presidents Barack Obama, Bill Clinton, George H.W. Bush and Gerald Ford, have been left-handed, as well as past presidents in James Garfield and Harry Truman.
4. James A. Garfield was one of the first left-handed presidents. It was said he could simultaneously write Latin with his right hand and Greek with his left.
5. Mothers who are over 40 at the time of a child's birth are 128 percent more likely to have a left-handed baby than a woman in her 20s.
6. Some scientists have suggested that left-handers were originally in the womb with a twin that did not survive, or a "Vanishing Twin."
7. Research indicates that left-handers are more likely to become schizophrenic, alcoholics and dyslexic. They are also more likely to have Crohn's disease, ulcerative colitis or mental disabilities.
8. While the exact cause of left-handedness is unknown, one theory is that handedness could be a result of genetics.
9. Left-handedness runs in the British royal family, with Prince William, Prince Charles, The Queen Mother, Queen Elizabeth II, Queen Victoria and King George VI all being left-handed. Prince George has also reportedly inherited his father's left-handedness.
10. Some scholars say left-handed people generally die nine years earlier than right-handed people.
To get even more interesting facts about left-handed people, visit https://www.everydayhealth.com/healthy-living-pictures/little-known-facts-about-lefthanders.aspx.