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Sanatan Upmanyu

Blog.

Notes on AI, drug discovery, and building platforms in biomedicine. Short posts. No listicles. Occasional diagrams.

A biological cell in cross-section with one half aged and faded and the other half rejuvenated and vibrant, with Yamanaka factor labels above

Aging Reversal Is Real Science. The Hard Part Isn't What You Think.

28 Apr 2026·16 min read

A biologist-turned-AI-guy on what the rejuvenation field actually proves, what it doesn't, and why the "is this even possible" question has a clear answer.

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2026