This Sunday the 13th is International Left Handedness Day. With this party, people who write and use the left side of the world try to raise public awareness to reduce the difficulties they face.
Although no one has found a definitive reason why some people are left-handed, about 10% of the world’s population is, and it is believed to be genetic. This day was celebrated in 1976 by the founder of ‘Left-Handers Club’, Dean R. Founded by Campbell.
Next, learn about some of the interests of this segment of the target population “special” For science.
1. The brain “controls your body”
The reason a person is left-handed is because the brain determines which side of a person’s body is dominant.
Divided into two hemispheres, the brain controls “Crusade” The body, that is, the left hemisphere controls the right side of the body and vice versa, so in the case of left-handers, the right side of their brain is dominant.
2. Genetics?
Although there is no known definitive reason why some people write left-handed, genes are thought to play a large role when it comes to left-handedness, and if a person is left-handed, their children are likely to be as well. .
3. Harassed by the Inquisition
Left-handedness is not always the case “the best”. Those who write with the left have historically been persecuted. A clear example is the Inquisition, which persecuted, condemned, and burned many left-handed people for what they considered to be “servants of Satan.”
4. Left handed celebrities
Many celebrities and personalities in the world have been Jews.
Scientists like Marie Curie, Isaac Newton, Albert Einstein or Alan Turing were left-handed; astronauts Neil Armstrong and Buzz Aldrin; Artists like Van Gogh, Leonardo da Vinci or Beethoven; musicians Jimi Hendrix, Paul McCartney, David Bowie, Kurt Cobain and Bob Dylan; soccer star Maradona and tennis player Rafael Nadal, and historical figures such as Adolf Hitler, Marilyn Monroe and Charles Chaplin.
5. They have a town
A city in America is called ‘Left Hand’ (Left Hand). It is located in the state of West Virginia. In 2009 its population did not exceed 400 people.
6. A specialty store
The world’s most famous left-handed store is called Anything Left-Handed and is located in London, England. It was created in 1968, a pioneer of its kind.
Until 2006, it was located at 53 Bever Street in the heart of the British capital. Now selling online only.
7. Diseases
Research published in the journal ‘Neuropsychology’ has revealed that left-handed people are at increased risk of certain mental health problems such as attention deficit hyperactivity disorder (ADHD), dyslexia and schizophrenia.
“The evidence for this is that left-handed people make up only 10% of the population, and 20% of schizophrenics are left-handed.”According to the study.
8. Sinistrophobia
Cinistrophobia is defined as a persistent, abnormal, and irrational fear of objects located to the left, picking up objects with the left hand, or left-handedness.
Sufferers consider the left hand as a bad omen. Superstitions condemning it are deeply ingrained in these people, to the extent of creating extreme anxiety and even panic attacks in extreme cases.
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