- Ford Vox: Michael Phelps, others using untraditional treatments like "cupping." And benefits of flossing now questioned
- Vox: We know the mind has the capacity to palliate itself, so are cupping and flossing just features of a healthy imagination?
Ford Vox is a physician specializing in rehabilitation medicine and a journalist. He is a medical analyst for NPR station WABE-FM 90.1 in Atlanta. He writes frequently for CNN Opinion. Follow him on Twitter @FordVox. The opinions expressed in this commentary are solely those of the author.
(CNN)No, those purple spots viewers first noticed on Michael Phelps' back last weekend weren't telltale signs of Zika, or hickeys from the night before. As the media zoomed in, the world soon learned they were the result of a traditional Chinese technique called cupping, and as you might have heard by now, it's got quite a following among Olympic athletes.