Over 10% of the US population is left-handed - and this percentage seems to be about the same in most countries around the world. Though no one knows exactly what makes someone left- or right-handed, it is tempting to say it is genetic. But new research from the UK challenges this belief. The University of Nottingham's Prof. John Armour and Dr. Angus Davison, and University College of London's Prof. Chris McManus, have ruled out a "strong genetic determinant" in influencing handedness...

Source: http://feedproxy.google.com/~r/mnt/healthnews/~3/_tP6_p-EVZI/267047.php
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