Surprising and little known facts about left-handers

Today, the left-hander has not considered some special people (at least in western countries), although for a long time, human society is not particularly sympathetic to left-handed.

However, it is undeniable that some of the outstanding representatives of humanity, from the Albert Einstein and Alexander the Great to Osama bin Laden and Jack the Ripper, were real lefties. Below you will find a lot of amazing facts about the left-hander, which is unlikely to have heard before.

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1. From 10 to 12% of the population left-hander




2. Among left-handers are more men than women




3. August 13 - International Day of left-hander




4. According to several sources, the left-handed live 9 years less than their right-handed counterparts.




5. Also reputable researchers claim that left-handers are the most susceptible to alcoholism, schizophrenia and learning disabilities to read.



6. The woman bearing a child at age 40, has 130 percent more likely to have a left-handed, 20-year-old.



7. Historically, that left-handedness is perceived as a sign of a bad habit, neuroses, rebellion and propensity to crime.



8. In the English language the word "left" comes from the Old English "lyft", which means a weak or broken.



9. Despite the fact that some people consider a positive indicator of left-handedness, lefties many cultures perceive as a rogue.



10. In some Eastern cultures, the left hand is considered unclean because it often wipe after using the toilet.



11. So far, in many parts of the world children lefties punished for their efforts to use the convenient for them by hand.



12. "Boston Strangler," Jack the Ripper, and Osama bin Laden - the left-hander.



13. Just as Albert Einstein, Benjamin Franklin and Alexander the Great.



14. 50 percent of all the rats and mice are levolapymi.



15. People apart arms also have dominant side of the body such as the eye, ear and leg.



16. It was found that the gene responsible for LRRTM1 which hand will lead.



17. Every fourth American astronaut party to fly to the moon was left-handed.



18. Speed ​​of the connection between the left and right hemispheres of the cerebral cortex of left-handers are much higher, which means their advantage when working with a large number of pulses.



19. The left-handed people tend to paint a picture, which looks painted creatures are directed to the right.



20 Scientists believe that the percentage of lefties always and invariably represent only 10% of the world population.



21. In the US, the left-hander with high achievers in schools can receive a special scholarship.



22. There are two theories to explain why the wedding ring is worn on the left arm. On one of them, the ancient Egyptians wore it so that it was closer to the heart, in spite of the "perversity" of the limb. According to another theory, the Romans put it on his left hand to protect themselves from evil, coming from his left hand.



23. Studies claim that left-handed to right-handed retrained easier than right-handers to left-handers.



24. Only 1 per cent of the world's population is equally convenient to use both hands (these people are called ambidexterity).



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