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left handed

Scientists think they have found the reason why some people are left-handed

Left-handed people haven't always been treated well throughout history. They've been persecuted for their disposition, being been labeled as evil, despite making up about 10% of the population. In fact, the word "sinister" comes from "left" or "left hand." There have been a few theories over the decades about why some people are left-handed, including an outdated idea that it has something to do with mothers who are stressed while pregnant. It's down to the spinal cord — not the brain Research since the 1980s has…