I have a cleft palate condition (~40yo, otherwise healthy) and, until recently, experienced frequent flu-like or food poisoning-like illness symptoms. By frequent, I mean, at its worst, I was getting extremely sick at least every few months, with the same symptoms, and never actually getting back to 100% in between those periods. But, starting January 2019, I adopted daily (or more) saline nasal washes. From that point, until January 2020, I never came down sick…