Andrew Huberman· PhD
bacteria and viruses are getting in there all day long and in most cases you are successfully combating those viruses and bacteria because the mucosal lining of your mouth and your nose for that matter and the microbiota those little micro organisms that have taken resonance in your nose and mouth are helping to contribute to fight off bacteria and viruses provided the microbiota there are diverse and are of the type you want which we'll talk a little bit more about later