Happy International Left-Handers Day! Started in 1976 by Dean R. Campbell, founder of the Left-Handers Club, today raises awareness about the everyday obstacles faced by roughly 10 per cent of the ...

Around the world, 10.6 percent of people are left-handed. Handedness is a form of so-called functional brain asymmetry: left-right differences in brain function. In left-handers, the right motor ...