I stumbled across this post today and was like “whaaaaaa?”
But then went on a quick Google sojourn, and found this:
And then found this and this:
My personal jury (like, the jury in my head that judges things) is still out on this one. I have no doubt that the sufferers are experiencing something; I guess whether or not something is medically “real” depends on what a diagnosis might mean for the sufferer.