Education
Learn about aging clocks
Evidence-based articles that explain the science, separate hype from substance, and help you make informed decisions. No jargon walls.
11 published articles
Start Here: new to biological age testing? →Showing 3 of 11 articles
How epigenetic clocks work
7 minFrom Horvath's pan-tissue clock to DunedinPACE: how DNA methylation patterns are used to estimate biological age, and why different clocks give different answers.
How clocks workWhy aging clocks disagree
10 minSome clocks estimate how old your biology looks. Others predict health outcomes. Others measure how fast you are aging right now. Here is how to tell them apart — and which type is useful for what.
How clocks workBiological age from routine blood work
8 minA 2025 Nature Medicine study trained an AI model on 9.7 million patients' clinical records and found meaningful aging signal in the markers already in your annual blood panel. What the research shows — and what it does not yet justify.
How clocks work
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