Research
Hormonal
The increased CHD risk associated with rotating night shift work wanes over time after cessation of the shift work.
If you have worked rotating night shifts, your heart disease risk decreases the longer you have been off those shifts. Stopping rotating night work is a beneficial health decision.
GoodQualifiesHIGH confidence
Longer time since quitting shift work was associated with decreased CHD risk among ever shift workers in the NHS2 (P<.001 for trend).
Why this rating
Consistent findings across cohorts regarding the waning effect, supported by statistical trends.
Source
Association Between Rotating Night Shift Work and Risk of Coronary Heart Disease Among Women
Céline Vetter et al. · JAMA · 2016
DOI 10.1001/jama.2016.4454
cohort · n=189158Cited 510×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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