What's purple, round, and all over Michael Phelps and other Olympic athletes? Cupping - is it for you?

News coverage of Olympic athletes like Michael Phelps, Dana Vollmer and Alex Naddour covered in purple spots has everyone asking questions.  For instance, since when did Michael Phelps and Dana Vollmer begin training with a giant octopus?  Are those purple round spots on their bodies  caused from the suction cups of giant octopus tentacles?

Read more »