A recent study suggests that left-handed people have an advantage in competitive contexts, while righties tend to cooperate ...

Both left-handedness and breast cancer are affected by sex hormones, and some studies suggested a link. Others, however, did ...

I’m left-handed, which means I’ve spent my entire life fumbling with scissors, wiping ink smudges from my pinky finger, and thumbing through magazines backwards. I’ve always accepted that being ...

Being left- or right-handed – and the paw, eye, fin and wing equivalents – is a product of genes, development and the environment.

Left-handers are better at some types of sports than right-handers. But are they also more competitive? A new study says yes.

Our nervous systems have left-right differences that are important for correct functioning. Handedness is probably the best known asymmetry arising from the development of the nervous system. This is ...

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 ...

(CNN) -- For the first time, scientists have identified the genetic differences associated with left-handedness, a trait found in 10% of the human population. What's more, those genetic variants ...

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 ...

Dominant hand preference in humans is a trait that scientists are still trying to understand, but new evidence may show that whatever its purpose, the existence of dominant hands might stretch back ...