Gut microbes _may_ talk to the brain through cortisol. On related note, a direct passage between the brain and the lymph system was discovered last year. It's b

Gut microbes _may_ talk to the brain through cortisol. On related note, a direct passage between the brain and the lymph system was discovered last year. It's behind the sinus cavity and bypasses the blood brain barrier. https://news.virginia.edu/illimitable/discovery/theyll-have-rewrite-textbooks https://news.virginia.edu/illimitable/discovery/theyll-have-...