NEW YORK (July 28, 2014) A new study finds that a quick fist bump spreads only one-twentieth the amount of bacteria that a handshake does and that’s even better than a high-five, which passes along less than half the amount as a handshake.
What makes the fist bump more is mostly it's the amount of surface area in contact between the two hands, less than in a handshake or high-five.
Researchers at Aberystwyth University in Wales did the study, which was published online Monday in the American Journal of Infection Control.
The fist bump has been popularized in recent years by athletes and by President Barack Obama.
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