Scientists often use "epigenetic clocks" to measure biological aging, but what makes these clocks tick is not fully understood. Now, scientists have uncovered a clue: The clocks are synced with random mutations that crop up in DNA as we age.
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This study mostly shows epigenetic and genetic mutations are correlated in cancer cells. I wonder what David Sinclair would think of this. IIRC His theory is that aging is driven by epigenetic damage.