Emerging research is challenging long-held assumptions about the roles of estrogen and testosterone in women’s health—particularly in the context of aging and cardiometabolic risk. Hear from Dr. Susan Davis as she reviews the evolving evidence. Dr. Davis is an endocrinologist as well as the head of the Women’s Health Research Program and a Professor of Women's Health at Monash University in Melbourne, Australia. She also spoke about this topic at the 2025 American Heart Association Scientific Sessions.