
Here’s something scientists want you to know: Your microbiome is complex. Sure, we’ve come a long way in our understanding of how the ecosystem of microorganisms — bacteria, viruses, fungi, and other teeny tiny life forms — affects health and spurs disease when the balance between good and bad microbes is tipped. But there’s still lots we don’t know, like how exactly do microbes chilling in the gut influence tissues and organs far away such as the heart or brain?