Eterna: The Healthspan Room

Dr. Renée Allen on hormones, peptides, and longevity medicine — evidence-based guidance to restore your vitality and extend your healthspan at every stage.

The Healthspan Room Blog Posts

Why Hormone Therapy Works Differently in Summer — And What to Do About It

Why Hormone Therapy Works Differently in Summer — And What to Do About It

Why Hormone Therapy Works Differently in Summer — And What to Do About ItDr. Renée Allen
Published on: 28/07/2026

Your BHRT protocol was working beautifully. Then summer arrived. Here's the science behind why hormone therapy responds differently in heat — and how to optimize your protocol for the season.

Women's Health and WellnessBio-identical Hormone Restoration TherapyPrecision MedicineLongevity Medicine
Beyond Recovery: How 2026's Regenerative Protocols Are Rewriting What's Possible in Midlife

Beyond Recovery: How 2026's Regenerative Protocols Are Rewriting What's Possible in Midlife

Beyond Recovery: How 2026's Regenerative Protocols Are Rewriting What's Possible in MidlifeDr. Renée Allen
Published on: 11/07/2026

Cellular biology research has accelerated to a point where we now understand the mechanisms of aging with a precision that simply didn't exist a decade ago.

Women's Health and WellnessWomen's Nutrition and Medical Weight ManagementBio-identical Hormone Restoration TherapyAndropause BHRTPrecision MedicineRegenerative MedicineLongevity Medicine
HCG vs. Testosterone Therapy: What Every Man Needs to Know About Andropause Treatment

HCG vs. Testosterone Therapy: What Every Man Needs to Know About Andropause Treatment

HCG vs. Testosterone Therapy: What Every Man Needs to Know About Andropause TreatmentDr. Renée Allen
Published on: 21/06/2026

Not all testosterone therapy is the same. Discover the critical differences between HCG therapy, enclomiphene, and TRT — and why choosing the right protocol based on your age, goals, and fertility status changes everything.

Bio-identical Hormone Restoration TherapyAndropause BHRTPrecision MedicineRegenerative MedicineLongevity MedicinePeptide Therapy
PCOS, PMDD, and Perimenopause Share One Hidden Pattern

PCOS, PMDD, and Perimenopause Share One Hidden Pattern

PCOS, PMDD, and Perimenopause Share One Hidden PatternDr. Renée Allen
Published on: 14/06/2026

PCOS, PMDD, and perimenopause are usually treated as three separate problems. They share the same hormonal and metabolic drivers — and that changes treatment.

Women's Health and WellnessBio-identical Hormone Restoration TherapyPrecision MedicineRegenerative MedicineLongevity Medicine