By Emma Ailes BBC News

What are they, and why is everyone suddenly going dotty over them?

The mark of an Olympic athlete, at least at Rio 2016, seems to be a scattering of perfectly round bruises. Swimmers and gymnasts, particularly from Team USA, are among those seen sporting the mysterious dots.

No, not paintballing misadventures or love bites – they are the result of a practice known as “cupping”; an ancient therapy where heated cups are placed on the skin

More read- click here https://www.bbc.co.uk/news/health-37009240– [Accessed 20 May. 2018].

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