Could balneology section be actually gastric section?

[Ruby Novacna]

We all have seen it - strange pipes and women bathing in green water in weird pools:
I don't know if it was already discussed but I haven't seen such a discussion.
So would would you say about a theory that it's not about bathing at all but about eating and digestion?
How do you think? Possible or very improbable?

If you do a quick Google search, I'm sure you'll find all the old suggestions, including anatomy.
That should apply to this forum as well.