"Cortisol: The Master Hormone: Improve Your Health, Weight, Fertility, Menopause, Longevity, and Reduce Stress" by Wibe Wagemans and Ioana A. Bina (MD, PhD) explores cortisol's essential role in health and stress management. The authors explain how cortisol impacts metabolism, immunity, aging, and more, offering practical strategies to balance cortisol levels naturally. This engaging book guides readers to reduce stress, improve overall well-being, and optimize key aspects of health, from weight and fertility to longevity and menopause.