We have an entire ecosystem of microbes that live inside our guts called the microbiome. But what impact do these trillions of microbes have on our health? Show more
Discover 11,128,835 listings and 279,758 playable programmes from the BBC
We have an entire ecosystem of microbes that live inside our guts called the microbiome. But what impact do these trillions of microbes have on our health? Show more