The human body has approximately 100 trillion bacteria in our intestines. This is a number 10 times greater than the total number of human cells in the body. We are vastly out numbered by our intestinal flora. The metabolic activities of these bacteria are similar to that of an organ to process our food. It is interesting to note that these gut bacteria have a combined total of 100 times as many genes as there are in the human genome. Somewhere between 200 to 1000 different species live in the intestine.This is an extremely beneficial symbiotic relationship. These bacteria ferment unused energy, train the immune system, prevent the growth of pathogenic bacteria, produce vitamins and provide a host to store fats. This baterial culture is call the human microbiome. I submit the host to this genetically enriched culture is a bateriavore (look it up, this is actually a word).
It is important to understand these special bateria as we consider our food system. The human microbiome has typically dined on whole, natural and traditional foods. The processed and manufactured foods of our current generation are foreign to our microbiome and frankly the other microbes in our world as well.