correlational
Analysis v1
Strong Support
Every year, your skin cells make about 0.22 tiny copying mistakes when copying DNA in long repeating sequences—like typing 'AAAAA' and accidentally adding or losing an 'A'—and these mistakes build up as you age.
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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 JanThis study found that as people get older, their skin cells naturally pick up more small DNA mistakes during copying — and these mistakes happen at a steady rate every year, 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.