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Should Everyone Take GLP-1s? (What Changed My Mind)
The definitive one-stop shop for understanding GLP-1s: risks, benefits, muscle, brain health, practical tips, and next-generation therapies. Insights…
23 hrs ago
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Nick Norwitz MD PhD
85
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10
Scientists Just Reversed a Form of Aging Once Thought Permanent
“This work establishes that damage to aging proteins previously thought to be irreversible can be repaired.” That’s the line from a new paper...
Jul 17
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Nick Norwitz MD PhD
81
18
6
What If You Didn't Need to Sleep? (This New Study Blew My Mind)
A new study explores a provocative possibility: what if we could replicate the restorative benefits of sleep without ever fully shutting down the brain?
Jul 16
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Nick Norwitz MD PhD
57
23
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The Most Exciting Metabolic Drug You've Never Heard Of (ATX-304)
This new compound doesn’t just lower blood sugar. It mimics many of the metabolic effects of exercise. The data behind ATX-304 are hard to ignore, as…
Jul 14
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Nick Norwitz MD PhD
91
62
5
GHK-Cu: The Strange Science of the Copper Peptide
GHK-Cu is one of the strangest molecules in longevity science: a copper peptide linked to wrinkle reversal, mitochondrial health, and aging itself…
Jul 11
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Nick Norwitz MD PhD
114
49
9
Upgrade Your Mitochondria Masterclass
Your mitochondria aren’t just batteries — they’re living, dancing signaling networks that control metabolism and aging. Here’s how to upgrade them, from…
Jul 9
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Nick Norwitz MD PhD
115
50
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Why Doctors Are Suddenly Interested in Tadalafil
Tadalafil, an FDA-approved PDE5 inhibitor, is now being explored for heart health, brain protection, and performance. What do the data actually say…
Jul 7
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Nick Norwitz MD PhD
91
59
6
This Peptide Targets Inflamed Gut Tissue Like a Smart Missile
A tiny peptide called KPV may target inflamed gut tissue with remarkable precision. Here’s the science behind its potential gut healing, and even colon…
Jul 5
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Nick Norwitz MD PhD
103
64
6
What To Do If Your GLP-1 Stops Working?
What do you do if your GLP-1 stops working, or never worked well in the first place? We explore GLP-1 resistance, fading effects, and practical tools to…
Jul 2
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Nick Norwitz MD PhD
67
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June 2026
Why Intelligent People Defend Bad Science
Why do smart experts defend obviously wrong health ideas? An insider look at peer review, medical incentives, scientific bias, and how bad narratives…
Jun 30
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Nick Norwitz MD PhD
156
96
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How To Hack a 7-Day Fast in 24 Hours
What happens when researchers take 12 people and place them on a 7-day fast? The results may change how you think about fasting. And I will give you…
Jun 28
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Nick Norwitz MD PhD
144
67
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Do Statins Cause Alzheimer’s? The Uncomfortable Truth
Do statins protect the brain—or quietly harm it? The answer is far more nuanced than most doctors admit. A deep dive into dementia risk, metabolism…
Jun 26
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Nick Norwitz MD PhD
114
51
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