Overview

Left-handers die nine years younger than right-handers. Left-handers are more creative. They use the right side of their brain. They've made disproportionately good presidents. None of these things is true. This short, honest book takes a hard look at what science actually knows about handedness and what it merely thinks it knows. Drawing on recent research in neuroscience, genetics, and evolutionary biology, Tracy Scott separates the real findings - some of them genuinely surprising - from the popular folklore that has accumulated around the 10% of us who write with the left hand. The result is a clear, careful tour of one of the most intriguing puzzles in human biology: where handedness comes from, what it does to the brain, why it matters in some sports and not others, and why we still don't have a complete answer to even the simplest questions about it. For curious readers of any handedness. Readable in an afternoon. Honest throughout.

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