20 ways being left-handed impacts your health

By Amanda MacMillan, Health.com

Updated 1442 GMT (2242 HKT) November 4, 2015

Barack Obama is the latest in a string of left-handed U.S. presidents. At least four out of the past seven commanders in chief have been southpaws.
Photos: Famous left-handers
Barack Obama is the latest in a string of left-handed U.S. presidents. At least four out of the past seven commanders in chief have been southpaws.
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Prince William, Duke of Cambridge, is the latest in a long line of left-handed British royals. According to British media reports, he'd like his toddler son, George, to carry on the tradition.