Olympic athletes spotted with 'cupping' marks: What is it and how it works – all you need to know!
There are two types of cupping – Dry cupping and wet cupping.
Aug 10, 2016, 22:46 PM ISTEXPLAINED: Why Olympics legend Michael Phelps is covered in red dots - WATCH
Michael Phelps, who won the 19th Olympic gold medal of his career on Sunday and helped the U.S. men`s team to victory in the 4x100 meters freestyle relay, is one of a number of Olympic athletes practicing "cupping".
Aug 09, 2016, 06:19 AM IST