Studymoderate evidence
HairTime: A noninvasive assay for estimating circadian phase from a single hair sample.
Proceedings of the National Academy of Sciences of the United States of America·March 31, 2026·PMID 41880576
Why it mattersCurrent circadian phase assessment methods like DLMO are impractical for large-scale studies. HairTime offers a scalable, noninvasive alternative, enabling population-level circadian research and potential future personalized chronotherapy applications.
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