New modeling links national time policy to circadian alignment and estimates that permanent standard time could prevent about 300,000 strokes and reduce obesity in 2.6 million Americans. Permanent daylight saving time delivers smaller benefits, and twice-yearly clock changes are worst for health.
— It reframes the DST debate from preference and convenience to measurable public‑health outcomes, giving lawmakers a data-driven basis to pick a uniform time regime.
msmash
2025.09.29
67% relevant
Beyond health, this article adds a science–infrastructure cost: Reed Essick’s preprint reports a ~75‑minute shift in LIGO’s sensitivity pattern around the DST change, implying time policy degrades big‑science data quality.
BeauHD
2025.09.17
100% relevant
Stanford’s Jamie Zeitzer and coauthors’ PNAS study estimating a 0.78% obesity reduction and 0.09% stroke reduction under permanent standard time using CDC data and circadian models.
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