Women Are Not Small Men | Dr Stacy Sims

Women Are Not Small Men | Dr Stacy Sims

July 15, 2026 · 1h 48m

About this episode

Dr. Stacy Sims discusses the unique physiological needs of women in training and nutrition, challenging traditional male-centric research.

What has been the cost to women of relying on research that was never designed around female physiology? Dr. Stacy Sims is an exercise physiologist, nutrition scientist, and bestselling author of ROAR, which challenged the idea that women should train and fuel like men, and Next Level, which focuses on health, performance, and physiology through perimenopause and menopause. Over two decades of research, she has become one of the leading voices reshaping how we understand women's health, with a message that has become synonymous with her work: women are not small men. That line started as a throwaway teaching point during her postdoc at Stanford, and it has since become a paradigm shift. At the center of this conversation is a quiet, costly problem. For decades, much of the science on training, nutrition, and medicine was built on male bodies and then applied to women as if they were simply smaller versions of men. Stacy walks through what that gap has cost, why the literature thins out for women between the ages of thirty and fifty, and how a hormone fluctuation can get mistaken for a panic attack, leading to solutions that were never going to fully work. Stacy and Mike then move…

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