ScienceKindly microbesTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience02/13/2021February 13, 2021We depend on our microbiome. We each host trillions of micro-organisms. If the mix is right, they help keep us healthy. They play a major role in tuning the immune system, as it learns to distinguish friend and foe.https://p.dw.com/p/3pHIjAdvertisement