The Period Brain

“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

Sarah E. Hill, Ph.D., is the author of This is Your Brain on Birth Control and an award-winning researcher who has spent most of her 20+ year career studying women, relationships, and health. In addition to having established an award-winning health and relationships lab at TCU, she has published nearly 100 academic research articles, is a sought-after public speaker, and sits on the scientific advisory boards for women’s health companies such as Flo and 28 Wellness. Her research is regularly covered by national media, such as The Washington Post and The New York Times, and is regularly published in highly prestigious journals, including Journal of Personality and Social Psychology, Psychoneuroendocrinology, Psychological Science, and Health Psychology.