Only about 10 percent of the world is left-handed. A new study on "southpaws" has found some differences in how their brains work.
The "Journal of Traumatic Stress" found lefties have a higher chance of getting post-traumatic stress disorder, schizophrenia, and breast cancer. They are also more accident prone.
Lefties do excel in certain areas, such as sports, language, math, and music.
Some famous left-handers include President Obama, former President Clinton, Judy Garland, Ringo Starr, Jerry Seinfeld, Dick van Dyke and even FOX 13's Dave Osterberg.
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