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Word Count: 1,189
The purpose of this paper is to inform the reader about left-handedness I will explain some disadvantages and advantages to being left-handed I will tell about the many ways that researchers think people become left-handed I will also tell how a left- handed person uses their brain to function the left-hand Many people have thought of left as bad The French word for left is gauche this word also describes a clumsy person The word right has been associated with good and correct in words such as righteous Another example would be when in the bible God sorts his flock He blesses the sheep by putting them on his right side Then God punished the goats by putting them on his left side This made left-handedness suspicious to people Around eight-five to ninety percent of all people favor their right hand over their left Ten to fifteen percent are left-handed or can use both hands equally Why isnt the ratio closer to 5050 Researchers say that the ratios use to be much closer About 200000 years ago over thirty percent of the population used their left hands 1 From 1932 to 1970 left-handedness in the US rose from two percent to ten percent About ten percent of the population has always been left-handed Since everyone thought of left as bad they forced children to become right-handed There are left epochs though This is when left-handedness increases In wars and depressions left-handedness is more than seven times as frequent 4 The brain has two hemispheres which are connected by nerves to the opposite side of the body The right side of the brain controls the left side of the body and vise versa This is being cross-wired In lefties the right side of the brain learns most of the manual skills and controls the left hand to do them The brains dominant half is what determines most peoples hand preference for life This is
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