Longevity UnmaskedLongevity Unmasked

Question 148 of 433

Do they do more than cause weight loss?

Evidence grade (draft mapping)ARobust human trials
Bathroom scale with display on sunlit tiles, bare feet

The short answer

Yes. In people with obesity and heart disease, semaglutide cut heart attacks, strokes, and cardiac deaths by 20 percent, and the benefit appeared before much weight was lost.

That result, from the SELECT trial of 17,600 people, changed cardiology. Other trials have shown slower kidney disease, improvement in a common type of heart failure, less sleep apnea, less fatty liver disease, and less knee pain. Researchers are studying effects on addiction and dementia, though a large trial of oral semaglutide for early Alzheimer’s reported no benefit in late 2025.

Are they “longevity drugs” for healthy thin people? There is no evidence for that, and I do not prescribe them that way.

“This book is for education. It is not medical advice, and reading it does not make you my patient or create a doctor-patient relationship.” From the book’s medical disclaimer. Full disclaimer

Evidence scope
ROBUST HUMAN TRIALS — Specific high-risk populations and drugs: cardiovascular, kidney, or other indicated outcomes; not all users share every benefit.Evidence grade (draft mapping)ARobust human trialsPart 11, Q148 · Part sources
All of Part 11

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