Category: Peptides Research
Research articles and educational content on peptides and longevity compounds, authored and reviewed by Dr. James, a board-certified neurosurgeon trained at Yale University, and Dr. Tom, a licensed pharmacist. All content is for research and educational purposes only.
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Semaglutide and Cardiovascular Research: What the GLP-1 Analog Data Shows Beyond Weight Loss
The first time I reviewed the SELECT trial data — Semaglutide’s landmark cardiovascular outcomes study — I stopped at one number and read it twice. A 20% reduction in major adverse cardiovascular events in patients without diabetes but with obesity and established cardiovascular disease. Not a metabolic endpoint. Not a weight endpoint. A hard cardiovascular…
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Retatrutide and Obesity Research: What the Triple Receptor Agonist Data Is Telling Scientists
Obesity research has undergone a quiet revolution in the last five years — and Retatrutide may represent its next chapter. Where Semaglutide was the breakthrough that proved GLP-1 agonism could produce meaningful weight reduction, and Tirzepatide demonstrated that adding GIP receptor activation could push those results further, Retatrutide introduces a third element: glucagon receptor activation.…
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Ipamorelin and Sleep Research: How This Growth Hormone Secretagogue May Influence Restorative Cycles
The best recovery tool we have in medicine isn’t a drug or a device. It’s sleep. Every neurosurgeon knows this — sleep is when the brain clears metabolic waste through the glymphatic system, when the immune system consolidates its memory, when growth hormone reaches its daily peak. What researchers have been discovering about Ipamorelin is…
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Tesamorelin and Metabolic Research: Beyond Visceral Fat — What the GHRH Analog Data Reveals
If you’d told me in medical school that a GHRH analogue would receive FDA approval for a metabolic condition — specifically visceral adiposity in HIV-associated lipodystrophy — I’d have found that an unusual path for a growth hormone axis peptide. But Tesamorelin’s regulatory journey is precisely what makes it one of the most interesting subjects…
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IGF-1 LR3 and Skeletal Muscle Research: What Scientists Found in the Extended Half-Life Data
Every neurosurgeon eventually becomes interested in muscle. Not from vanity — from watching patients recover. The patients who do best after major neurological surgery or trauma are almost invariably the ones with the most muscle mass. Sarcopenia — the progressive loss of skeletal muscle with age — is now recognized as one of the strongest…
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GHK-Cu and Skin Biology Research: How This Copper Tripeptide Activates Regenerative Gene Pathways
Skin is the largest organ in the body — and one of the most revealing windows into biological age. I don’t say that from a cosmetic standpoint. As a neurosurgeon, I’ve operated on patients from their 30s to their 90s, and the quality of the skin I’m working with — how it holds a suture,…
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Sermorelin Research and Growth Hormone Decline: What the GHRH Analog Literature Reveals About Aging
Growth hormone doesn’t just decline with age — it crashes. By the time most people reach their 40s, their pulsatile GH secretion has dropped by more than 50% compared to young adulthood. By their 60s, many are effectively in a state of functional growth hormone deficiency. As a neurosurgeon who works with patients recovering from…
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Thymalin and Longevity Research: The Thymic Peptide That Caught Geroscience Researchers’ Attention
In the 1970s and 1980s, a group of Soviet gerontologists conducted something remarkable: a 15-year longitudinal study examining whether thymic peptides could extend healthy lifespan in aging humans. The results were striking enough that the researchers continued their work for decades. The peptide at the center of that research was Thymalin — and its story…
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Thymosin Alpha-1 and Viral Immunity Research: What the Immune-Modulating Peptide Data Shows
I had a patient — a 58-year-old physician himself — who described feeling immunologically “depleted” after recovering from a serious viral illness. His labs were essentially normal, but he wasn’t bouncing back the way he expected. What he was describing is something researchers are increasingly able to measure: the phenomenon of immune exhaustion, where T-cell…
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PT-141 and Central Nervous System Research: The Melanocortin Pathway Beyond Its Known Applications
Most people encounter PT-141 in the context of sexual health research — and that’s understandable, since that’s where the largest clinical dataset exists. But as a neurosurgeon, what caught my attention in the literature was something different: the mechanism. PT-141 doesn’t work the way most people assume. It’s not a hormone. It doesn’t act on…
