The Dr. Gabrielle Lyon ShowHormone Replacement Therapy, What Every Woman Needs to Know in 2026 | Dr. Heather Hirsch

Does Estrogen Cause Cancer?

23:52–25:33 · 101s

Dr. Hirsch clarifies that estrogen has never been proven to cause breast cancer, distinguishing causation from accelerating growth in existing tumors, and traces the fear back to the 2002 media frenzy.

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