Many people think there are only two forms of handedness, but there are actually three: left-handedness, right-handedness, and mixed-handedness.

Most people take for granted which hand they use to reach for a cup of coffee or a puzzle piece. However, a new study out of York University suggests that for autistic individuals, which hand they use for various tasks is highly variable,

Virtually anywhere you may go in the world, the rules of etiquette dictate that you should extend the right hand, as opposed to the left, for a shake. Let’s start with the obvious: Since most people are right-handed, they do things with their right hands.

About 10.6 percent of people are left-handed. It is still not well understood why some people prefer to write, draw, and perform other activities with their left hand, while most people prefer to use their right hand for these things. Recent research about ...

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