Harvard Health Blog
What exactly is cupping?
By: Robert H. Shmerling, M.D., Faculty Editor, Harvard Health Publications The 2016 summer Olympics had its share of exciting performances, upsets, and photo finishes. But for days after Michael Phelps’s first appearance at the games, it seemed all anyone could talk about was “cupping.” It’s an ancient therapy that left multiple circular discolorations on his skin. During “dry cupping,” suction is applied to the skin for several minutes; sometimes it is combined with massage,