Many thanks CuresWanted, yes, that book excerpt clarifies
a lot for me. Saved it in my files. IMO, most people need this info!
healing naturally, your point about saliva being the main benefit of OP has also occurred to me. And it makes sense in light of Mr. Nagel's explanation.
Molly, hope it's clear to you that I wasn't just trying to stir up debate, I was genuinely seeking answers, and I got them. Yay! Seek and ye shall find...