Susan L. Prescott MD, PhD., a pediatrician, immunologist, artist, and award-winning author, internationally recognized for her research into the early environmental determinants of health and disease, is: Professor of Pediatrics and Planetary Health at University of Western Australia; Adjunct Professor in Family and Community Medicine, University of Maryland, Baltimore; founding Director of the Nova Network; Editor-in-Chief of Challenges journal; and a Fellow of the Royal Australasian College of Physicians and the prestigious Australian Academy of Health and Medical Sciences. In addition to over 350 scientific publications, Susan is author of several books for the public, including: The Allergy Epidemic, Origins: Early-life solutions to the modern health crisis; and The Secret Life of Your Microbiome.