I know of one way that FND might be falsified. I had a physical bowel problem which was diagnosed as IBS and also as being functional back in the...
Where does that quote come from?
I thought (on the basis of zero evidence, I must admit) that "functional overlay" was a relatively new idea, perhaps developed since the 1990s....
TG's comments sound superficially good. But I wonder how people like Barry Marshall would have fared in TGs brave new world of only accepted...
I don't get the youtube link coming up that you have posted, when I click on the blue link - unless I missed it based on your description....
The deflation of your veins when your feet are elevated is probably just caused by gravity, I would guess.
Separate names with a comma.