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Consumer biological-age tests promise a number that tells you how fast you're aging. A new analysis suggests the signal underneath that number isn't quite what we thought.
A new clinical clock called LinAge2 is trained to predict survival, not just guess your age — a quiet but meaningful shift for anyone paying for an epigenetic age test.
Transcriptomic clocks are joining PhenoAge and GrimAge in a fast-maturing toolkit — and early longitudinal work hints that ordinary medications may nudge the dial.
A landmark UK Biobank analysis maps the proteins that track how fast we're really aging. The science is promising, the consumer tests are not quite ready.