Author: Berenice Langdon, Senior Lecturer and Honorary Consultant, St George's, University of London

BearFotos/Shutterstock.com Standing by the counter at the pharmacist waiting to pick up my prescription, I couldn’t help noticing the prominent display of probiotics on the counter. It was two years ago, and I was reading everything I could find on microbiomes and probiotics – whether in books, journals or in shops – in preparation for […]