High prevalence of breast cancer in light polluted areas in urban and rural regions of South Korea: An ecologic study on the treatment prevalence of female cancers based on National Health Insurance data

Yun Jeong Kim, Eunil Lee, Hyo Sun Lee, Mari Kim, Man Sik Park

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

It has been reported that excessive artificial light at night (ALAN) could harm human health since it disturbs the natural bio-rhythm and sleep. Such conditions can lead to various diseases, including cancer. In this study, we have evaluated the association between ALAN and prevalence rates of cancer in females on a regional basis, after adjusting for other risk factors, including obesity, smoking, alcohol consumption rates and PM10 levels. The prevalence rates for breast cancer were found to be significantly associated with ALAN in urban and rural areas. Furthermore, no association was found with ALAN in female lung, liver, cervical, gastric and colon cancer. Despite the limitations of performing ecological studies, this report suggests that ALAN might be a risk factor for breast cancer, even in rural areas.

Original languageEnglish
Pages (from-to)657-667
Number of pages11
JournalChronobiology International
Volume32
Issue number5
DOIs
Publication statusPublished - 2015 Jun 1

Bibliographical note

Funding Information:
This work was supported by a future environmental R&D grant (RE201206020) funded by the Korean Environmental Industry and Technology Institute. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. All authors declare no conflicts of interest.

Publisher Copyright:
© 2015 Informa Healthcare USA, Inc.

Keywords

  • Artificial light at night
  • Breast cancer
  • Generalized poisson distribution
  • Light pollution
  • Treatment prevalence

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

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