“The Period Brain is a science-backed blueprint to navigate the monthly ups and downs of women’s hormones. Dr. Hill’s insights into progesterone’s role and its impact on mood, cravings, and energy levels are enlightening and empowering. This book is not just about understanding PMS—it’s about reshaping our approach to health, diet, and relationships in a way that truly serves the female experience.”
— Dr. Jolene Brighten, Fellow of the American Board of Naturopathic Endocrinology, Menopause Society Certified Practitioner, Certified Sex Counselor
“A groundbreaking exploration of the often-overlooked luteal phase and the biological nuances of PMS and PMDD. Sarah E. Hill, PhD, provides readers with empowering, science-based strategies to help them harmonize with their natural cycles, making this book an important resource for women seeking to understand and thrive in their bodies.”
— Sara Szal, MD, Author of New York Times bestselling Women, Food, and Hormones
“The Period Brain delivers exactly what was needed: a long-overdue exploration of the second half of the menstrual cycle. Sarah Hill brilliantly reframes progesterone and the luteal phase, offering insight, compassion, and clarity.”
— Lara Briden, Naturopathic doctor and author of Period Repair Manual