The instant pure water touches your mouth, it's no longer pure. "Right! Because it leached from your body!" You have to drink soup or eat steak to avoid havin

The instant pure water touches your mouth, it's no longer pure. "Right! Because it leached from your body!" You have to drink soup or eat steak to avoid having any diffusion/leaching from introducing a less concentrated solution (water) to a more concentrated one (your body). If there is any validity to this idea, any way it might be true under special-enough conditions, this article does not provide anything that shows it. The goldfish story is utterly meaningless as any aquarium owner will tell you. It's like a mysticism that's the inverse of the mysticism in homeopathy.