This week Patrick is joined by Tim Spector, professor of Genetic Epidemiology, author, and co-founder of personalised microbiome and nutrition analysis company ZOE. They discuss the microbiome of the human gut and its similarities to the microbiome of soil, exploring how farmers might influence the diversity of several microbiomes through their practices, and how legislation might be altered to support microbial diversity. See more of Tim Spector's work via , his  and his  Listen to Tim speak on the   More Sustainable Food Trust  Support the  Follow Sustainable Food Trust on ,  or