As modern hygiene, processed foods, and antibiotics have civilized our external world, we have inadvertently sterilized our internal world, leading to a drastic loss in microbial diversity. On Ep. 17 of The Pulse Unbound, Kaneka's head of probiotics research Jordi Riera joins Jason Watkin and Adam O’Meara to share the fascinating journey of sourcing ancient probiotic strains that many in the western world have lost.