Michael Phelps and the Olympic swimmers arrived in prime time Sunday night, and there was something and unmistakable on their bodies: round circles.
They weren’t the result of a tattooing misadventure or a secret symbol known only to members of the swim team. Either of those would have made a great story. The circles came from cupping, a technique used by trainers who attach suction cups to pull blood to sore and injured areas to speed healing. ...
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