Left-handers may have competitive advantage over right-handed people - Sharper appetite for challenge observed among ...

It’s a day to love the lefties and salute the southpaws. Wednesday is International Left-Handers Day, founded in 1976 to celebrate the uniqueness — and challenges — of left-handed people worldwide.

Left-handed people make up about 10 percent of the population, a minority that has faced everything from superstition to forced correction throughout history. Beyond the cultural challenges, ...