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Garcia-Saenz, A.; Sanchez de Miguel, A.; Espinosa, A.; Valentin, A.; Aragones, N.; Llorca, J.; Amiano, P.; Martin Sanchez, V.; Guevara, M.; Capelo, R.; Tardon, A.; Peiro-Perez, R.; Jimenez-Moleon, J.J.; Roca-Barcelo, A.; Perez-Gomez, B.; Dierssen-Sotos, T.; Fernandez-Villa, T.; Moreno-Iribas, C.; Moreno, V.; Garcia-Perez, J.; Castano-Vinyals, G.; Pollan, M.; Aube, M.; Kogevinas, M. |
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Title |
Evaluating the Association between Artificial Light-at-Night Exposure and Breast and Prostate Cancer Risk in Spain (MCC-Spain Study) |
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Journal Article |
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Year |
2018 |
Publication |
Environmental Health Perspectives |
Abbreviated Journal |
Environ Health Perspect |
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Volume |
126 |
Issue |
4 |
Pages |
047011 |
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Keywords |
Human Health; Remote Sensing; Adult; Aged; Aged, 80 and over; Breast Neoplasms/*epidemiology/etiology; Case-Control Studies; Circadian Rhythm; Female; Humans; Incidence; Light/*adverse effects; Lighting/*adverse effects; Male; Middle Aged; Prostatic Neoplasms/*epidemiology/etiology; Risk Factors; Spain/epidemiology; Young Adult |
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BACKGROUND: Night shift work, exposure to light at night (ALAN) and circadian disruption may increase the risk of hormone-dependent cancers. OBJECTIVES: We evaluated the association of exposure to ALAN during sleeping time with breast and prostate cancer in a population based multicase-control study (MCC-Spain), among subjects who had never worked at night. We evaluated chronotype, a characteristic that may relate to adaptation to light at night. METHODS: We enrolled 1,219 breast cancer cases, 1,385 female controls, 623 prostate cancer cases, and 879 male controls from 11 Spanish regions in 2008-2013. Indoor ALAN information was obtained through questionnaires. Outdoor ALAN was analyzed using images from the International Space Station (ISS) available for Barcelona and Madrid for 2012-2013, including data of remotely sensed upward light intensity and blue light spectrum information for each geocoded longest residence of each MCC-Spain subject. RESULTS: Among Barcelona and Madrid participants with information on both indoor and outdoor ALAN, exposure to outdoor ALAN in the blue light spectrum was associated with breast cancer [adjusted odds ratio (OR) for highest vs. lowest tertile, OR=1.47; 95% CI: 1.00, 2.17] and prostate cancer (OR=2.05; 95% CI: 1.38, 3.03). In contrast, those exposed to the highest versus lowest intensity of outdoor ALAN were more likely to be controls than cases, particularly for prostate cancer. Compared with those who reported sleeping in total darkness, men who slept in “quite illuminated” bedrooms had a higher risk of prostate cancer (OR=2.79; 95% CI: 1.55, 5.04), whereas women had a slightly lower risk of breast cancer (OR=0.77; 95% CI: 0.39, 1.51). CONCLUSION: Both prostate and breast cancer were associated with high estimated exposure to outdoor ALAN in the blue-enriched light spectrum. https://doi.org/10.1289/EHP1837. |
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IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain |
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0091-6765 |
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PMID:29687979; PMCID:PMC6071739 |
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3044 |
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Garcia-Saenz, A.; Sanchez de Miguel, A.; Espinosa, A.; Costas, L.; Aragones, N.; Tonne, C.; Moreno, V.; Perez-Gomez, B.; Valentin, A.; Pollan, M.; Castano-Vinyal, G.; Aube, M.; Kogevinas, M. |
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Title |
Association between outdoor light-at-night exposure and colorectal cancer in Spain (MCC-Spain study) |
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Journal Article |
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Year |
2020 |
Publication |
Epidemiology (Cambridge, Mass.) |
Abbreviated Journal |
Epidemiology |
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in press |
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Human Health; Remote Sensing |
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BACKGROUND: Night shift work, exposure to artificial light-at-night and particularly blue light spectrum, and the consequent circadian disruption may increase the risk of breast and prostate cancer. Colorectal cancer risk may also be increased among night-shift workers. We investigated the association between exposure to artificial light at night according to light spectrum and colorectal cancer among subjects who had never worked at night in a general population case-control study in Spain. METHODS: We examined information on 661 incident histologically verified colorectal cancer cases and 1322 controls from Barcelona and Madrid, 2007-2013. Outdoor artificial light at night exposure was based on images from the International Space Station (ISS) including data on remotely sensed upward light intensity. We derived adjusted odds ratio (OR) estimates and confidence intervals (CI) for visual light, blue light, and spectral sensitivities of the five human photopigments assigned to participant's geocoded longest residence. RESULTS: : Exposure to blue light spectrum was positively associated with colorectal cancer (OR=1.6; 95%CI: 1.2-2.2; highest vs. lowest tertile). ORs were similar (OR=1.7; 95%CI: 1.3-2.3) when further adjusting for area socioeconomic status, diet patterns, smoking, sleep and family history. We observed no association for outdoor visual light (full spectrum) (OR = 1.0, 95%CI 0.7-1.2; highest vs. lowest tertile). Analysis of the five photopigments gave similar results with increased risks for shorter wavelengths overlapping with the blue spectrum and no association for longer wavelengths. CONCLUSIONS: Outdoor blue light spectrum exposure that is increasingly prevalent in recent years may be associated with colorectal cancer risk. |
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1044-3983 |
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PMID:32639250 |
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GFZ @ kyba @ |
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3043 |
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Paksarian, D.; Rudolph, K.E.; Stapp, E.K.; Dunster, G.P.; He, J.; Mennitt, D.; Hattar, S.; Casey, J.A.; James, P.; Merikangas, K.R. |
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Title |
Association of Outdoor Artificial Light at Night With Mental Disorders and Sleep Patterns Among US Adolescents |
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Journal Article |
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2020 |
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JAMA Psychiatry |
Abbreviated Journal |
JAMA Psychiatry |
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in press |
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Human Health; Remote Sensing |
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Importance: Indoor nighttime light exposure influences sleep and circadian rhythms and is known to affect mood-associated brain circuits in animals. However, little is known about the association between levels of nighttime outdoor light and sleep and mental health in the population, especially among adolescents. Objective: To estimate associations of outdoor artificial light at night (ALAN) with sleep patterns and past-year mental disorder among US adolescents. Design, Setting, and Participants: This population-based, cross-sectional study of US adolescents used the National Comorbidity Survey-Adolescent Supplement, a nationally representative cross-sectional survey conducted from February 2001 through January 2004. A probability sample of adolescents aged 13 to 18 years was included. Analyses were conducted between February 2019 and April 2020. Exposures: Levels of outdoor ALAN, measured by satellite, with means calculated within census block groups. ALAN values were transformed into units of radiance (nW/cm2/sr). Main Outcomes and Measures: Self-reported habitual sleep patterns (weeknight bedtime, weeknight sleep duration, weekend bedtime delay, and weekend oversleep) and past-year mood, anxiety, behavior, and substance use disorders, measured via an in-person structured diagnostic interview. Parent-reported information was included in behavior disorder diagnoses. Results: Among 10123 adolescents (4953 boys [51.3%]; mean [SE] age, 15.2 [0.06] years [weighted]; 6483 for behavior disorder outcomes), ALAN was positively associated with indicators of social disadvantage, such as racial/ethnic minority status (median [IQR] ALAN: white adolescents, 12.96 [30.51] nW/cm2/sr; Hispanic adolescents: 38.54 [47.84] nW/cm2/sr; non-Hispanic black adolescents: 37.39 [51.88] nW/cm2/sr; adolescents of other races/ethnicities: 30.94 [49.93] nW/cm2/sr; P < .001) and lower family income (median [IQR] ALAN by family income-to-poverty ratio </=1.5: 26.76 [52.48] nW/cm2/sr; >6: 21.46 [34.38] nW/cm2/sr; P = .005). After adjustment for several sociodemographic characteristics, as well as area-level population density and socioeconomic status, this study found that higher ALAN levels were associated with later weeknight bedtime, and those in the lowest quartile of ALAN reported the longest weeknight sleep duration. Those in the highest quartile of ALAN went to bed 29 (95% CI, 15-43) minutes later and reported 11 (95% CI, 19-2) fewer minutes of sleep than those in the lowest quartile. ALAN was also positively associated with prevalence of past-year mood and anxiety disorder: each median absolute deviation increase in ALAN was associated with 1.07 (95% CI, 1.00-1.14) times the odds of mood disorder and 1.10 (95% CI, 1.05-1.16) times the odds of anxiety disorder. Further analyses revealed associations with bipolar disorder (odds ratio [OR], 1.19 [95% CI, 1.05-1.35]), specific phobias (OR, 1.18 [95% CI, 1.11-1.26]), and major depressive disorder or dysthymia (OR, 1.07 [95% CI, 1.00-1.15]). Among adolescent girls, differences in weeknight bedtime by ALAN (third and fourth quartiles vs first quartile) were greater with increasing years since menarche (F3, 8.15; P < .001). Conclusions and Relevance: In this study, area-level outdoor ALAN was associated with less favorable sleep patterns and mood and anxiety disorder in adolescents. Future studies should elucidate whether interventions to reduce exposure to ALAN may positively affect mental and sleep health. |
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Genetic Epidemiology Research Branch, Intramural Research Program, National Institute of Mental Health, Bethesda, Maryland |
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2168-622X |
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PMID:32639562 |
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GFZ @ kyba @ |
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3034 |
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Zhang, D.; Jones, R.R.; Powell-Wiley, T.M.; Jia, P.; James, P.; Xiao, Q. |
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A large prospective investigation of outdoor light at night and obesity in the NIH-AARP Diet and Health Study |
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Journal Article |
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Year |
2020 |
Publication |
Environmental Health : a Global Access Science Source |
Abbreviated Journal |
Environ Health |
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19 |
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1 |
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74 |
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Human Health; Remote Sensing; Circadian rhythms; Light at night; Light pollution; Obesity |
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BACKGROUND: Research has suggested that artificial light at night (LAN) may disrupt circadian rhythms, sleep, and contribute to the development of obesity. However, almost all previous studies are cross-sectional, thus, there is a need for prospective investigations of the association between LAN and obesity risk. The goal of our current study was to examine the association between baseline LAN and the development of obesity over follow-up in a large cohort of American adults. METHODS: The study included a sample of 239,781 men and women (aged 50-71) from the NIH-AARP Diet and Health Study who were not obese at baseline (1995-1996). We used multiple logistic regression to examine whether LAN at baseline was associated with the odds of developing obesity at follow-up (2004-2006). Outdoor LAN exposure was estimated from satellite imagery and obesity was measured based on self-reported weight and height. RESULTS: We found that higher outdoor LAN at baseline was associated with higher odds of developing obesity over 10 years. Compared with the lowest quintile of LAN, the highest quintile was associated with 12% and 19% higher odds of developing obesity at follow-up in men (OR (95% CI) = 1.12 (1.00, 1.250)) and women (1.19 (1.04, 1.36)), respectively. CONCLUSIONS: Our findings suggest that high LAN exposure could predict a higher risk of developing obesity in middle-to-older aged American adults. |
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Department of Epidemiology, Human Genetics and Environmental Sciences, The University of Texas Health Science Center at Houston School of Public Health, Houston, TX, USA |
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1476-069X |
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PMID:32611430; PMCID:PMC7329409 |
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GFZ @ kyba @ |
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3029 |
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Rabin, J.; Cha, C.; Nguyen, M.; Renteria, L.; Abebe, F.; Wastani, A. |
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Title |
Cool (blue) vs. warm (yellow) displays enhance visual function |
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Journal Article |
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2020 |
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Eye (London, England) |
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Eye (Lond) |
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Human Health |
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Displays emitting substantial blue light (phones, tablets, computers) can produce eyestrain (computer vision syndrome: CVS) [1, 2]. Yet findings have been challenged [3]. A metric to assess CVS is the highest detectable flicker rate (CFF). We compared the short-term effects of bluish (“cool”) vs. yellowish (“warm”) displays on high temporal frequency contrast sensitivity (TCS), which relates directly to the CFF. |
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University of the Incarnate Word Rosenberg School of Optometry, San Antonio, TX, USA |
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0950-222X |
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PMID:32029916 |
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GFZ @ kyba @ |
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3020 |
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