The bacteria within our bodies is wildly complex, but what we do know for sure is that your intestinal flora is incredibly important for your health. In a nutshell, intestinal flora is the bacteria and microorganisms that exist naturally in the intestine. When your intestinal flora function inefficiently, it can lead to a myriad of different issues, from obesity and inflammation to depression. Your intestinal flora need a good, varied diet in order to work properly, but the problem is that the modern diet is full of processed foods that wreak havoc on your gut. If you want to make your intestinal flora stronger, have a look here.