Or, honestly, simple anxiety. I went through a year of severe anxiety where I honestly thought I was suffering extreme cardiac and maybe neurological symptoms. It turned out to be all psychosomatic. There are so many markers of similarity between this article and my experience. "Fainting spells, chest pain, numbness" were all part of it, and more.

> This is a forum with self professed reasonable people

In what way is the author being unreasonable? By your own post, it could be anything, including exactly what the author said, no?