Ask any ENT how much nasal drainage is normally produced by a healthy human nose every day and you will be told 1 liter. But that's not what this blog article is about. Rather, HOW was this amount determined? What is the research behind this volume? The answer is surprisingly difficult to find and still up in the air... If any readers can do some sleuthing beyond what I report below, I would be much appreciative! The vast majority of references found on simple google searching are quot…
