Probiotics have gotten a lot of press in the past year. Traditional cultures have long known the benefits of eating foods containing probiotics. Most of these foods are fermented at least partially. A short list of probiotic food choices includes miso soup, some soft cheeses, yogurt products like kefir, sauerkraut and many pickles. 80% of our immune system is in our GI tract, and an imbalance of bacteria in the GI system causes a host of health issues. This article from Mercola.com goes into a bit more detail about probiotics and their role in healthy living and Naturopathic medicine. It's important to seek these little guys out in your daily diet or as part of your supplementation as food processing has changed so much in the last several decades. We simply don't get dosed routinely, and as a result allergies, digestive diseases, food intolerances, and auto-immune conditions are on the rise.