15 Interesting Things You May Not Know About Left-Handed People


Are you or someone you know left-handed? If so, keep on reading!

Although there is no exact scientific explanation for why someone is left-handed, the research suggests it’s all down to our genes and environment. While there are no “left-hand genes”, it’s been shown that left-handed people have more left-handed family members.

Interestingly, “lefties” even have different brain wirings than their counterparts, the “righties”.


  • Lefties make up between 5 to 10% of the world population;
  • Research has shown that left-handed people are three times more likely to become alcoholics;
  • Lefties seem to be more prone to allergies and asthma;
  • Research has shown that lefties are better at math and architecture, while righties are better at verbal subjects;
  • Out of the seven most recent US presidents, four have been lefties;

  • Statistics show that left-handed college graduates go on to become 26% richer than their counterparts;
  • Women who get pregnant over 40 are more likely to have a left-handed baby than women who get pregnant in their 20s and 30s;
  • Some of the most wanted murderers were left-handed: The Boston Strangler, Jack the Ripper, Osama Bin Laden;
  • Historically, being a leftie was considered a negative thing: left-handedness was seen as a mark of the devil and criminal mind;
  • Lefties are great at sport: 40% of the top tennis players are left-handed;


  • On average, left-handed people are more prone to anger and outbursts;
  • Lefties grow up slower than the righties: they tend to reach puberty four to five months later;
  • The word “left” comes from the Anglo-Saxon word “lyft”, which means broken, weak.
  • Left-handed people are more prone to “sleepless nights” – insomnia;
  • There is an International Left-Handers Day: it is celebrated on August 13.


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