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Fun Facts About Lefties for National Left-Handers Day

It’s National Left-Hander’s Day, a celebration founded by the Left-Handers Club to honor leftie style. Now in its 13th year, the day has been celebr...
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It’s National Left-Hander’s Day, a celebration founded by the Left-Handers Club to honor leftie style.

Now in its 13th year, the day has been celebrated with right vs. left sports matches, left-handed drinking events and other activities, the club says.

In honor of the day, some tidbits about sinistrality:

About that name

Sinistrality is the formal name for left-handedness and carries quite a history.

It’s based on the Latin word “sinistra,” for “on the left.” But as time wore on, it began to accumulate associations with evil that persist today.

Throughout the ages, left-handedness has been associated with weakness, impurity or evil. Today, few would consider the left-handers in our midst evil, but they do have to endure numerous inconveniences of a right-handed world.

Lefty stats

About 10% of the world’s population is believed to be left-handed, although the number ebbs and flows with time and place, researchers say. In more free-wheeling times and cultures, researchers say, left-handedness is more common, while in more restrictive times and places, the incidence seems to be reduced.

Lefty careers

In a 1996 study, Harvard Medical School researchers found that orthopedic surgeons, librarians and mathematicians were mostly right-handed, while attorneys and architects were, as a group, “either the least right-handed or the most left-handed.” Other studies have shown that there are more left-handed people working as artists and musicians and in university settings. Interestingly, more than 20% of Apollo astronauts were lefties, according to NASA.

Lefty presidents

Politics aside, at least four of the past seven U.S. presidents have been left-handed: Barack Obama, Bill Clinton, George H.W. Bush and Gerald Ford.

Ronald Reagan also often shows up on the list of lefties even though he wrote with his right hand. Some historians suggest he was born left-handed but forced to switch as a child.

Why are so many U.S. presidents left-handed?

There’s no clear research, and it may just be a fluke.

But the website leftrightwrong.com puts forth a few of the theories: Politicians are often lawyers, a profession that has among the highest concentrations of left-handers; lefties are more mentally resilient because of all the tribulations they have to endure in a right-handed world; lefties have the reputed ability to process language on both sides of their brains.

Lefty earnings

Research indicates left-handers may suffer from increased rates of high blood pressure, irritable bowel syndrome, schizophrenia and maybe even premature death. It turns out they may also get the short end when it comes to earnings, according to 2014 study.

Economist Joshua Goodman at Harvard University’s Kennedy School of Government found that lefties’ earnings were 10% to 12% lower than those of right-handed people.

That’s totally at odds with a 2006 paper for the National Bureau of Economic Research, in which economists from Lafayette College and Johns Hopkins University found that “among the college-educated men in our sample, those who report being left-handed earn 15 percent more than those who report being right-handed.”

The same wasn’t true for left-handed women, they said.

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