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Message: <blockquote data-quote="geethq" data-source="post: 5056814" data-attributes="member: 4364">For years, it has been widely accepted that 1 in 10 people are left-handed. However, research studies of a reasonable size to back up this figure are very hard to find. Recently, small studies (usually among children) have come up with figures of between 12% and 15% of the population and it has been argued that perhaps this increase is due to social acceptability of left-handedness which has never before been the case.  The most recent study, by Prof. Chris McManus who has conducted widespread research into the genetic causes of handedness, has concluded that 13% of the population are currently left-handed.700+million ppl</blockquote>

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