Eric Topol: 194-year-old land animal and flawed epigenetic clocks

EricTopol · x · 2026-10-11

Eric Topol rounds up this week's epigenetic and aging insights: (1) the oldest land animal at 194 years, (2) why small dogs outlive big ones, (3) why commercial epigenetic "biological clocks" are problematic, and (4) what these clocks are actually measuring.

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