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Author (up) Keshet-Sitton, A.; Or-Chen, K.; Huber, E.; Haim, A. url  doi
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  Title Illuminating a Risk for Breast Cancer: A Preliminary Ecological Study on the Association Between Streetlight and Breast Cancer Type Journal Article
  Year 2016 Publication Integrative Cancer Therapies Abbreviated Journal Integr Cancer Ther  
  Volume Issue Pages  
  Keywords Human Health  
  Abstract Artificial light at night (ALAN) for elongating photophase is a new source of pollution. We examined the association between measured ALAN levels and breast cancer (BC) standard morbidity ratio (SMR) at a statistical area (SA) level in an urban environment. Sample size consisted of 266 new BC cases ages 35-74. Light measurements (lux) were performed in 11 SAs. A new calculated variable of morbidity per SA size (SMR35-74/km2) was correlated with the light variables per road length, using Pearson correlations (P < .05, 1-tailed). Looking for a light threshold, we correlated percentage of light points above SA light intensity median with SMR35-74/km2 SMR35-74/km2 was significantly and positively strongly correlated with mean, median, and standard-deviation (SD) light intensity per road length (r = .79, P < .01, R2 = .63; r = .77, P < .01, R2 = .59; and r = .79, P < .01, R2 = .63). Light threshold results demonstrate a marginally significant positive moderate correlation between percentage of points above 16.3 lux and SMR35-74/km2 (r = .48, P < .07; R2 = .23). In situ results support the hypothesis that outdoor ALAN illumination is associated with a higher BC-SMR in a specific area and age group. Moreover, we suggest an outdoor light threshold of approximately 16 lux as the minimal intensity to affect melatonin levels and BC morbidity. To the best of our knowledge, our attempt is the first to use this method and show such association between streetlight intensity and BC morbidity and therefore should be further developed.  
  Address University of Haifa, Haifa, Israel  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1534-7354 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:27899698 Approved no  
  Call Number LoNNe @ kyba @ Serial 1635  
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