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

Estradiol and brain health

Estradiol and brain health

Estradiol and brain healthDr. Renée Allen
Published on: 09/05/2026

women who used hormone therapy in midlife had a 10% lower risk of developing all-cause dementia.

BHRT optimizationPostmenopausal health risksWhat happens to the body when estrogen is lowEstrogen’s role in heart, brain, bones, and skin
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The Benadryl Menopause Hack Is Going Viral. Here's Why That's a Medical Failure, Not a Win.

The Benadryl Menopause Hack Is Going Viral. Here's Why That's a Medical Failure, Not a Win.

The Benadryl Menopause Hack Is Going Viral. Here's Why That's a Medical Failure, Not a Win.Dr. Renée Allen
Published on: 09/05/2026

A CNN investigation reveals many women self-treating vasomotor & hormonal symptoms with OTC Benadryl

integrative longevity medicineWhat happens to the body when estrogen is lowBHRT optimizationPostmenopausal health risks
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Menopause: The Biggest Lie You’ve Been Told That's Costing Women Their Quality of Life (And What Actually Works)"

Menopause: The Biggest Lie You’ve Been Told That's Costing Women Their Quality of Life (And What Actually Works)"

Menopause: The Biggest Lie You’ve Been Told That's Costing Women Their Quality of Life (And What Actually Works)"Dr. Renée Allen
Published on: 25/03/2025

This eye-opening exploration reveals why estrogen loss during menopause devastates some women more than others, examining genetic factors, pre-existing conditions, and the severe health consequences that hormone replacement therapy could prevent—from heart failure to dementia.

Low estrogen symptomsEstrogen and organ systemsHormonal imbalance in womenPostmenopausal health risksWhat happens to the body when estrogen is lowEstrogen’s role in heart, brain, bones, and skin
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