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Left Out: One Person in 10 Has Sinister Leanings - 0 views

MrGhaz . on 15 Nov 09

In 1977 a study of works of art that ranged from cave drawings made in 15,000 B.C. to paintings of the 1950's found that an overwhelming majority of the people in them were also right-handed, regardless of their race, country, or culture. Yet throughout the history of the human race, some people have been left-handed. Today the proportion of left-handers is 10 to 15 percent of the population worldwide. Why are most people right-handed? And what causes some to be different?

<div class="cArrow"> </div><div class="cContentInner">In 1977 a study of works of art that ranged from cave drawings made in 15,000 B.C. to paintings of the 1950's found that an overwhelming majority of the people in them were also right-handed, regardless of their race, country, or culture. Yet throughout the history of the human race, some people have been left-handed. Today the proportion of left-handers is 10 to 15 percent of the population worldwide. Why are most people right-handed? And what causes some to be different? </div>

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