> I don't have an explanation for it, but I experience very much the same thing
> with dairy.  It makes my mouth feel disgustingly slimy, and my whole head
> feels like it's full of phlegm.  (I used to think milk affected everybody that
> way, but maybe it doesn't?)

Dairy doesn't do this to me, but wheat, spelt, rye and other
gluten-containing grains) certainly do.  I'm an amateur singer, and I've
found that eliminating grains from my diet has finally made it possible
for me to perform without a lot of preliminary (hack! snort! snerk!
harumph!) throat- and sinus-clearing.

Pat