Interesting Facts About Left Handed People That Explains Why They Are Different to Others
Over the years there have been several articles and facts about left-handed people. However many of them have been proved wrong. There is more to left-handed people than you think. This list of facts about left-handed people has been compiled from two different data sources to form an accurate conclusion about left-handed people. So let’s see what exactly it is behind southpaws.
1 10% of the world’s population is left-handed
Left handedness is more common to men than women. According to a data model made by Professor Daniel M Abrams and Graduate mark J Panaggio of Northwestern University, lefties are low in percentage because of the battle of cooperation and competition in evolution. It was cooperation which was the more accepted social activity in humans who tended to move towards a particular trend and hence right-handed people, whereas competition against such a trend to be the opposite caused 10%$ of humans to become left-handed. Bill gates is left-handed and so is Ex-President Obama.
2 Left handedness is not inherited
The possibility of inheriting a left-handed trait was just 25%. Even twins with the same genes did not shares the left-handedness. According to a study by the Queensland Institute of medical research involving 50,000 identical twins, it was found that inherited genes influenced just 25% of the tendency to be left-handed.
3 Every year, more than 2,500 left-handed people are killed
Among facts about left handed people, 2,500 left handed people die annually around the world by equipment meant for right handed people. Statistics pegs this figure to be 1 in 4,400,000. 10.3% of left handed people are injured driving vehicles and 31.6% are injured in sports.
4 Premature babies have a high possibility of becoming Lefties
According to studies, premature babies have the possibility of being lefties. Those who had a birth weight of 1 pound or less had a higher chance of being left-handed. Doctors in Australia and Boston conducted studies involving 115 babies who were on neonatal care in the ICU. The study found that 54% of the extreme premature were left handed. One of the reasons were that left-handed is caused in premature babies because of minor brain damage. The other theory was that the brain of a premature baby did not mature completely to make it right handed.
5 Most left-handed people had IQs over 140 than right-handed people
As facts about left-handed people go, A study found the there were a considerable number of left-handed people who had IQs of more than 140 in comparison to right-handed people. The tests were conducted at the St. Lawrence University, New York. Intellectuals that were left-handed include Charles Darwin, Albert Einstein and Benjamin Franklin. One in every four astronauts on Apollo missions turn out to be left-handed. Even Rabindranath.