Did you know that the number of bacteria in your body outnumbers your body’s cells 10 to 1? It’s true, and most of them reside in your gut. There’s no reason to worry – most bacteria are harmless, and having the right bacteria can even help! This leads us to the topic at hand, probiotics. While this buzzword has been around for a while, what are these tiny-but-mighty organisms and what do they really do?