Principles of Precision Hormone Therapy

Hormones—such as estrogens, testosterone, thyroid hormones, and growth hormone—are essential for metabolic homeostasis in all cells. However, their levels decline with age, contributing to aging and chronic disease.  Proper hormone therapy can help delay the onset of age-related diseases, yet there is currently no authoritative, up-to-date resource on precision hormone optimization for healthy aging. Current standard of care textbooks rely on outdated concepts, while books ai