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.

GLP-1metabolic healthweight managementinsulin resistancesemaglutide
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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.

metabolismmetabolic healthsummercortisolinsulin resistanceGLP-1weight managementhormone optimization
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