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Left-handedness: its disadvantages and hidden advantage

Iain Mathewson
Abstract
What does it mean to be left-handed? Dr Iain Mathewson, a leftie himself, discovers that the relationship between left-handedness and other conditions is decidedly curious, and proposes an evolutionary advantage to benefit a few.
Key Points

    Are you one of the left-handers who constitute 10% of the population? A more precise term would be nonright-handed, rather than left-handed, but the two are used synonymously here. Left-handedness carries a slightly greater risk of a range of aberrations of neurological development, one of which this sinistral writer must admit to. There may well be other associations in areas where no-one has thought to look.

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