President Donald Trump was shown to have purple bruising to his left hand while speaking in Switzerland, similar to bruising ...

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

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 ...

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President Donald Trump said Thursday that the large bruise on his left hand came after he bumped it on furniture in Switzerland.