What question did this study set out to answer?

This study aims to explore the link between light at night exposure and the risk of diabetes mellitus in US adults.

May 24, 2026MedicineOpen Access

Higher light at night exposure is associated with increased risk of diabetes mellitus: A cross-sectional study of the NHANES database

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Cross-sectional analysis investigates light at night exposure and diabetes risk in adults, suggesting possible prevention strategies.

This study aims to explore the link between light at night exposure and the risk of diabetes mellitus in US adults.
Analyzed cross-sectional data from the NHANES 2011 to 2014 cycles with 4498 participants.
Used multivariable logistic regression to assess the relationship between light at night and diabetes risk.
Conducted subgroup and sensitivity analyses to test the robustness of findings.
High-LAN exposure group had a diabetes prevalence of 21.01% compared to 14.48% in the no-LAN group.
Adjusted analysis showed high-LAN exposure increased diabetes risk with an odds ratio of 1.39 (95% CI: 1.00–1.92).
Significant associations with HbA1c and fasting blood glucose weakened after full adjustment.

He et al. (2026) studied this question.

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