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  1. Handedness - Wikipedia

  2. Differences Between Left- and Right-Handedness - WebMD

  3. Left-Handed vs Right-Handed Brain: Myths and Facts

  4. What causes some people to be left-handed, and why are fewer …

  5. Is handedness determined by genetics? - MedlinePlus

  6. 8 New Scientific Findings About Left-Handedness

  7. Why Are People Left- (or Right-) Handed? - Live Science

  8. Large study compares the brains of left-handers and right-handers

  9. Left, right, or ambidextrous: What determines hand preference?

  10. Why Are Some People Left-Handed? Scientists Identify Rare …