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

What GLP-1 Medications Actually Do Beyond Weight Loss

What GLP-1 Medications Actually Do Beyond Weight Loss

What GLP-1 Medications Actually Do Beyond Weight LossDr. Renée Allen
Published on: 14/06/2026

GLP-1 medications do far more than suppress appetite. Here is what they do to your liver, insulin, heart, and brain — and why it matters for your long-term health.

Women's Health and WellnessPrecision MedicineRegenerative MedicineLongevity MedicineMedical Weight Loss Management
What GLP-1 Medications Actually Do Beyond Weight Loss

What GLP-1 Medications Actually Do Beyond Weight Loss

What GLP-1 Medications Actually Do Beyond Weight LossDr. Renée Allen
Published on: 08/06/2026

GLP-1 medications do far more than suppress appetite. Here is what they do for your liver, insulin, and cardiovascular system — and why it matters.

Precision MedicineRegenerative MedicineLongevity Medicine
Why Summer Stalls Your Metabolism — And What Your Hormones Have to Do With It

Why Summer Stalls Your Metabolism — And What Your Hormones Have to Do With It

Why Summer Stalls Your Metabolism — And What Your Hormones Have to Do With ItDr. Renée Allen
Published on: 08/06/2026

You're eating the same foods and training just as hard. But your metabolism feels like it stopped cooperating the moment summer arrived. Here's what's actually happening — and why it's hormonal.

Women's Health and WellnessWomen's Nutrition and Medical Weight ManagementPrecision MedicineLongevity Medicine
Why Your Metabolism Slows Down in Summer (Even When You're More Active)

Why Your Metabolism Slows Down in Summer (Even When You're More Active)

Why Your Metabolism Slows Down in Summer (Even When You're More Active)Dr. Renée Allen
Published on: 03/06/2026

Summer heat, poor sleep, and stress drain your body's ability to burn fat efficiently over time. Learn why summer plateaus happen even when you're doing everything right.

Women's Nutrition and Medical Weight ManagementPrecision MedicineLongevity Medicine