I noticed this as well when I started taking probiotics, eating unpasteurized cheeses, and having sauerkraut or kimchi every other day or so. I'll get a sniffl

I noticed this as well when I started taking probiotics, eating unpasteurized cheeses, and having sauerkraut or kimchi every other day or so. I'll get a sniffle for a day and then that'I'll be the end of it. I haven't been sick in a year.