Hello Hormones with Dr. Carrie Jones

Dr. Lindsey Berkson: Hormone Therapy After 60, Breast Cancer Risk, and Oxytocin Benefits

Mar 3, 2026
Dr. Lindsey Berkson, integrative endocrine and nutrition specialist and author of Oxytocin Medicine, discusses oxytocin as a whole-body hormone, environmental toxins that block hormone signaling, and surprising clinical uses for oxytocin. She also covers oxytocin’s role in appetite, blood sugar, mood treatment combinations, and what long-term data says about estrogen and breast cancer risk.
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ANECDOTE

Postpartum Emotional Numbness Reversed With Oxytocin

  • Berkson treated a woman with post-birth emotional numbness with 24 IU per nostril four times daily and she regained intimacy within days.
  • The patient enrolled in yoga, resumed hugging and sex, and said she never wanted to be without oxytocin.
INSIGHT

Receptors And Nutrients Determine Hormone Signals

  • Hormones signal via genomic and non-genomic pathways across cell membranes, and receptor 'pockets' require cofactors like zinc, B6, iodine to function.
  • Berkson stresses nutrient cofactors and receptor availability determine hormone effectiveness beyond measured blood levels.
INSIGHT

Estrogen Did Not Worsen ER Positive Breast Cancer Outcomes

  • Reanalysis of older studies shows estrogen does not increase breast cancer recurrence and may lower mortality in ER+ cases.
  • Berkson cites 25 studies (1980–2013) where estrogen did not worsen recurrence; some showed reduced recurrence and death.
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