1 - the ratio in the world
The proportion of users of the left hand in the world about 13% of men and 11% of women, and despite the fact that the users of the left hand are a minority in any society that does not exceed ten percent, but they make up almost 50% of the number of celebrities and politicians, who are often the group most fluent in speaking and rhetoric .
2 - the person in the best southpaw punches
When polled Researchers at the University of Montpellier, France nine primitive societies in five separate continents, and found that the presence of a high percentage of "leftists" (hardship) between population means directly the presence of frequent violent clashes between them. Furthermore, it was often for the left-wing upper hand in the battles of the fighting because of the element of surprise, no one is expected to come out of the punch from the left flank.
In a study conducted by a team of French scientists said the southpaw inherently has a greater ability to survive in a society dominated by the violence, and explained that because the southpaw considers himself a minority, always has a strategic advantage when fighting.
It seems that this feature significantly improves exploited in the field of sports, especially in games such as boxing, tennis, fencing, a game in which the competition between the two.
3 - Southpaw uses brain differently
An Australian study found that the communication that occurs between the halves of the brain when a person southpaw easier than that occurs when a person "right", and some studies have found that users of the left hand are more creative and more flexible to recover from strokes.
However, other studies have shown that the leftists are more prone to disorders of the brain known as the orders of ADHD, which affects children and can continue with adolescence and adulthood. Also can be susceptible to disease, schizophrenia and other mental disorders.
4 - person southpaw often be outside the circle of interest of the authors of the global measurements
Designed scissors and a computer mouse and paintings Driving and other usually without thinking person southpaw, and this of course is uncomfortable for him, Dutch scientists also say that the person southpaw out of the circle of concerns areas of scientific research could have far-reaching consequences.
I have written articles on this subject in the journal Nature Scientific Earlier this year, scientists noted that a person southpaw his brain differently and different genes on the person's right, but they are rarely traded this topic in the research and studies, the scientists said that ignoring this may lose the important information on everything from neuroscience to genetic disorders.
5 - Commander southpaw more desirable
One study found the Dutch recently that political southpaw where he was speaking, using his left hand gives a feeling more comfortable and positive for viewers of a person's right, because his show mirrored on television like a right hand, but right when he uses his right hand in the modern, appear to viewers as if they left, what gives the viewer a sense of a negative.
Finally .. a lot of animals also indigestion
One study found that British about 40% of the cats indigestion, with 10% of them are characterized by a strong claw on the left side. In the past year, and an Italian study found that dogs shake their tails from right to left in a sign of happiness, while shaken from left to right to show discontent.
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