South Korea won two gold medals in short track speed skating at the Asian Winter Games on Monday, an early indication the hosts of the 2018 Winter Olympics could be regaining their dominance of the sport.
Several Team USA athletes have been spotted (literally) with round purple or red marks on their backs, shoulders and other body parts. An acupuncturist says these are the telltale signs of an ancient Chinese medicine practice called cupping. She explains why elite athletes may find it useful.
The Cleveland Clinic
Why Team USA athletes have been "spotted" with cupping marks
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