Abstract
Probiotics are live microorganisms that appear to provide health benefits when swallowed or introduced to the body. They are present in dairy and other fermented foods, as well as in dietary supplements and cosmetics. While many people still believe bacteria and other microorganisms are harmful “germs”, many are beneficial. Certain bacteria aid in the digestion of food, destroy disease-causing cells and absorb vitamins. Some of the microorganisms found in probiotic products are similar to or identical to those found naturally in our bodies. This article provides sufficient data to support the use of probiotics in a variety of uncommon clinical diseases, including skin disorders, Parkinson's disease, psychiatric disorders, liver transplantation, diabetic foot and periodontal care.