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  "path": "/news/2026-03-hormones-women-youd.html",
  "publishedAt": "2026-03-02T15:30:03.000Z",
  "site": "https://medicalxpress.com",
  "tags": [
    "Endocrinology & Metabolism"
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  "textContent": "Female sex hormones estrogen and progesterone fluctuate monthly across the menstrual cycle, affecting moods and energy levels. New research from the University of Oregon finds that those fluctuations don't change a woman's ability to exercise hard, but they do influence how difficult that work feels. The paper is published in the Journal of Applied Physiology.",
  "title": "Hormones influence women's exercise performance, but not as you'd expect, finds research"
}