Dan Saladino returns to the world of the gut microbiota, the vast array of microbes within us all. From the Amazon Basin to East Africa to the life underneath our feet; food will never be quite the same again.

Featuring Tim Spector, author of The Diet Myth, Jeff Leach, co-founder of the American Gut Project, microbiome scientist Maria Gloria Dominguez-Bello, food professor and author Ken Albala, and DJs Lisa and Alana Macfarlane - aka The Mac Twins.

Presenter: Dan Saladino