It is often said that left-handedness runs in families, and most lefties know one or more family members that are also left-handed. So is there any scientific data supporting these anecdotal reports?

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

BOCHUM, Germany — Left-handed people appear significantly more often among those with certain mental and neurodevelopmental disorders, according to groundbreaking research that analyzed data from over ...

Left-handed? Today is your day — International Left-Handers’ Day, that is — a day to celebrate the 10% who always feel they’re being elbowed out by the other 90%. While the body is remarkably ...

Researchers say they have found, for the first time, the genetic markers that influence whether someone is left-handed. They also found those people may have an advantage over right-handers when it ...

About 10% of the population is left-handed, but 40% of those with schizophrenia are, according to a new study. That suggests that handedness may be a window into biological markers that predict ...

Aside from their philanthropy, popularity and all-around inspiration, they're also all left-handed. So if you're a lefty, give yourself a round of applause. Friday, Aug. 13, is a great day to be a ...

Christmas wouldn’t be Christmas without an exchange of gifts among my two grandmothers, mother, and aunt, featuring the trait they shared: all four were left-handed. Waiting for them under the tree in ...

A new study of human skeletal remains from the wreck of the 16th century English warship "Mary Rose" suggests that whether a person is right- versus left-handed may influence how their clavicle bone ...