David Sinclair· PhD
She let a study that was published in 2020, showing that when you do this, when you build this epigenetic clock based on methylation of skin cells, it does predict biological age quite well.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
She let a study that was published in 2020, showing that when you do this, when you build this epigenetic clock based on methylation of skin cells, it does predict biological age quite well.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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In the last episode, we said that skin, it appears that skin ages faster than most other systems in our body. And we can use these clocks also, and have used these clocks to measure aging in the brain.