Exposure to light at night (LAN) and risk of overweight/obesity, hypertension, and diabetes: a systematic review and meta-analysis

Jul 16, 2024International journal of environmental health research

Nighttime light exposure linked to higher risk of overweight, high blood pressure, and diabetes: a review and analysis

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Abstract

The group with the highest level of light at night exposure is associated with an increased risk of overweight/obesity, hypertension, and diabetes.

  • The pooled odds ratio for overweight/obesity with high light at night exposure is 1.19.
  • High light at night exposure is associated with a pooled odds ratio of 1.86 for hypertension.
  • An increased risk of diabetes is associated with high light at night exposure, with a pooled odds ratio of 1.21.
  • Eighteen observational studies were included in the meta-analysis conducted up to August 1, 2023.

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