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 http://www.bbc.co.uk/news/health-37009240– [Accessed 20 May. 2018].