Anyone who follows boxing could be forgiven for thinking that left-handedness is common: Not only is there the widespread use ...

The vast majority of people alive today use their right hand for everything from writing and throwing to eating to brushing their teeth. But why? Humans are the only primate species with such ...

If you’re a lefty and have ever felt excluded from the right-handed club as you write a letter, throw a ball, or wield a ...

Through an innovative approach using a large psychometric and brain imaging database, researchers have demonstrated that the location of language areas in the brain is independent of left- or ...

A staggering 90% of humanity, regardless of culture and location, is right-handed. New study looks at how this can be.

There is no single gene for handedness Since the mid-1980s more than 100 journal articles have explored the idea that a single gene might influence handedness. These theories suggested one variant of ...

The left side of the spinal cord matures slightly faster than the right side in human embryos of four to eight weeks age. This is the earliest left-right difference of development in the human nervous ...

Left- or right-handedness may be determined by the genes that position people’s internal organs. About 10 percent of people prefer using their left hand. That ratio is found in every population in the ...

NEW YORK (Reuters Health) - Children who don't show a hand preference are more likely than their righty or lefty peers to perform poorly in school, a new study in the journal Pediatrics shows. And ...

Ambidextrous 5-year-olds are more likely to develop attention deficit-hyperactivity disorder symptoms later on as compared with right- and left-handed children, according to a study by a team of ...