In this episode we’re getting our hands dirty by delving into the poop-ome - the trillions of bacteria that live inside our guts and make up what’s known as the microbiome. Rather than simply being a bunch of bugs, the microbiome is now believed to play a role in virtually every aspect of health and disease. But what are they up to? How do we even know what species are in there? And can you blame your stinky farts on your bacteria?