correlational
Analysis v1
Strong Support
As people get older, their skin cells naturally accumulate more DNA errors from normal chemical reactions inside the body—about 0.4 new errors per year—like a biological clock ticking.
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0
Evidence from Studies
Supporting (1)
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Community contributions welcome
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UV-exposure, endogenous DNA damage, and DNA replication errors shape the spectra of genome changes in human skin
Cross-Sectional Study
Human
2021 JanThe study found that as people get older, their skin cells naturally accumulate more DNA mistakes from a common chemical change in DNA — and this happens steadily over time, like a ticking clock — just like the claim says.
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.