The microbiome is the missing link in modern medicine, a vast genetic universe of 'dark matter' - bacteria, yeasts, viruses and parasites - that lives inside us. It conducts the orchestra of our immune system, adapts with us as we age and influences how we think and feel, our sex lives and even how fast we run.

Dark Matter is packed with practical takeaways, and shows how everything from exercise, sleep and diet through to antibiotics and ageing are directly impacted by the state of our microbiome. This mindblowing book is both a guide to hacking your body for a healthier life and a rallying call to protect the most vulnerable human ecosystem of all.