Probiotics continues to interest folks though I'm still not convinced its clinically efficable. Thought I'd share a few related items...
Here's an interview with Susan Lynch of UCSF who has been in the news with her research: Microbes Benefit More Than Just the Gut .
This one is also related to the UCSF study: Sinusitis Linked to Microbial Diversity
There are a number of probiotics foods and supplements. Here's one of many articles covering Probiotic foods for sinusitis including kimchi. Top Probiotic Foods You Are Not Eating.
Have fun exploring and please let us know of any new findings you hear about in the Probiotics world.