For example, we have only been able to name and classify a fraction of the bacteria that exist in our world and we only understand how a fraction of those bacteria we can name even work. What we are starting to realize is what bacteria you have inside of you can make a big difference in your health.
This has lead to the creation of things like probiotics and prebiotics which can be taken to replace or feed the good bacteria in your body respectively. Even in this area we are not entirely certain which bacteria are the best to use but it is always changing.
The video below shows some of the powerful ways that bacteria impacts our health and is well worth a watch. I imagine we will be hearing more and more in the area both in supplements and the types of foods we might want to target in our diet in order to to get the best collection of bacteria for our health.