Effective Natural Remedies for Managing Diarrhea

I've had very watery diarrhea for three days, and tried several things - cider vinegar, activated charcoal, turmeric, rice water - with no success.

I read something in a book of mine which suggested cheese. This seemed kind of counterintuitive, I've not been eating in the hope that this would run its course, but figured I would give it a go. So I had some cheese, and I was kind of hungry so it was welcome, and a couple of hours later another piece.

Well, I now feel so much better, no more rushing to the toilet. Apparently it sort of binds things up - whatever the case, it's worked.