The relevance of daylight for humans

Daylight is ubiquitous and is crucial for mammalian vision as well as for non-visual input to the brain via the intrinsically photosensitive retinal ganglion cells (ipRGCs) that express the photopigment melanopsin. The ipRGCs project to the circadian clock in the suprachiasmatic nuclei and thereby e...

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Autores:
Tipo de recurso:
Article of investigation
Fecha de publicación:
2020
Institución:
Universidad de Bogotá Jorge Tadeo Lozano
Repositorio:
Expeditio: repositorio UTadeo
Idioma:
eng
OAI Identifier:
oai:expeditiorepositorio.utadeo.edu.co:20.500.12010/15301
Acceso en línea:
https://doi.org/10.1016/j.bcp.2020.114304
http://hdl.handle.net/20.500.12010/15301
Palabra clave:
Daylight for humans
Síndrome respiratorio agudo grave
COVID-19
SARS-CoV-2
Coronavirus
Rights
License
Abierto (Texto Completo)
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dc.title.spa.fl_str_mv The relevance of daylight for humans
title The relevance of daylight for humans
spellingShingle The relevance of daylight for humans
Daylight for humans
Síndrome respiratorio agudo grave
COVID-19
SARS-CoV-2
Coronavirus
title_short The relevance of daylight for humans
title_full The relevance of daylight for humans
title_fullStr The relevance of daylight for humans
title_full_unstemmed The relevance of daylight for humans
title_sort The relevance of daylight for humans
dc.subject.spa.fl_str_mv Daylight for humans
topic Daylight for humans
Síndrome respiratorio agudo grave
COVID-19
SARS-CoV-2
Coronavirus
dc.subject.lemb.spa.fl_str_mv Síndrome respiratorio agudo grave
COVID-19
SARS-CoV-2
Coronavirus
description Daylight is ubiquitous and is crucial for mammalian vision as well as for non-visual input to the brain via the intrinsically photosensitive retinal ganglion cells (ipRGCs) that express the photopigment melanopsin. The ipRGCs project to the circadian clock in the suprachiasmatic nuclei and thereby ensure entrainment to the 24-hour day-night cycle, and changes in daylength trigger the appropriate seasonal behaviours. The ipRGCs also project to the perihabenular nucleus and surrounding brain regions that modulate mood, stress and learning in animals and humans. Given that light has strong direct effects on mood, cognition, alertness, performance, and sleep, light can be considered a “drug” to treat many clinical conditions. Light therapy is already well established for winter and other depressions and circadian sleep disorders. Beyond visual and non-visual effects via the retina, daylight contributes to prevent myopia in the young by its impact on eye development, and is important for Vitamin D synthesis and bone health via the skin. The sun is the most powerful light source and, dependent on dose, its ultraviolet radiance is toxic for living organisms and can be used as a disinfectant. Most research involves laboratory-based electric light, without the dynamic and spectral changes that daylight undergoes moment by moment. There is a gap between the importance of daylight for human beings and the amount of research being done on this subject. Daylight is taken for granted as an environmental factor, to be enjoyed or avoided, according to conditions. More daylight awareness in architecture and urban design beyond aesthetic values and visual comfort may lead to higher quality work and living environments. Although we do not yet have a factual basis for the assumption that natural daylight is overall “better” than electric light, the environmental debate mandates serious consideration of sunlight not just for solar power but also as biologically necessary for sustainable and healthy living.
publishDate 2020
dc.date.accessioned.none.fl_str_mv 2020-11-04T14:38:30Z
dc.date.available.none.fl_str_mv 2020-11-04T14:38:30Z
dc.date.created.none.fl_str_mv 2020
dc.type.local.spa.fl_str_mv Artículo
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format http://purl.org/coar/resource_type/c_2df8fbb1
dc.identifier.issn.spa.fl_str_mv 0006-2952
dc.identifier.other.spa.fl_str_mv https://doi.org/10.1016/j.bcp.2020.114304
dc.identifier.uri.none.fl_str_mv http://hdl.handle.net/20.500.12010/15301
dc.identifier.doi.spa.fl_str_mv https://doi.org/10.1016/j.bcp.2020.114304
identifier_str_mv 0006-2952
url https://doi.org/10.1016/j.bcp.2020.114304
http://hdl.handle.net/20.500.12010/15301
dc.language.iso.spa.fl_str_mv eng
language eng
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dc.rights.local.spa.fl_str_mv Abierto (Texto Completo)
rights_invalid_str_mv Abierto (Texto Completo)
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dc.format.extent.spa.fl_str_mv 16 páginas
dc.format.mimetype.spa.fl_str_mv application/pdf
dc.publisher.spa.fl_str_mv Biochemical Pharmacology
dc.source.spa.fl_str_mv reponame:Expeditio Repositorio Institucional UJTL
instname:Universidad de Bogotá Jorge Tadeo Lozano
instname_str Universidad de Bogotá Jorge Tadeo Lozano
institution Universidad de Bogotá Jorge Tadeo Lozano
reponame_str Expeditio Repositorio Institucional UJTL
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spelling 2020-11-04T14:38:30Z2020-11-04T14:38:30Z20200006-2952https://doi.org/10.1016/j.bcp.2020.114304http://hdl.handle.net/20.500.12010/15301https://doi.org/10.1016/j.bcp.2020.114304Daylight is ubiquitous and is crucial for mammalian vision as well as for non-visual input to the brain via the intrinsically photosensitive retinal ganglion cells (ipRGCs) that express the photopigment melanopsin. The ipRGCs project to the circadian clock in the suprachiasmatic nuclei and thereby ensure entrainment to the 24-hour day-night cycle, and changes in daylength trigger the appropriate seasonal behaviours. The ipRGCs also project to the perihabenular nucleus and surrounding brain regions that modulate mood, stress and learning in animals and humans. Given that light has strong direct effects on mood, cognition, alertness, performance, and sleep, light can be considered a “drug” to treat many clinical conditions. Light therapy is already well established for winter and other depressions and circadian sleep disorders. Beyond visual and non-visual effects via the retina, daylight contributes to prevent myopia in the young by its impact on eye development, and is important for Vitamin D synthesis and bone health via the skin. The sun is the most powerful light source and, dependent on dose, its ultraviolet radiance is toxic for living organisms and can be used as a disinfectant. Most research involves laboratory-based electric light, without the dynamic and spectral changes that daylight undergoes moment by moment. There is a gap between the importance of daylight for human beings and the amount of research being done on this subject. Daylight is taken for granted as an environmental factor, to be enjoyed or avoided, according to conditions. More daylight awareness in architecture and urban design beyond aesthetic values and visual comfort may lead to higher quality work and living environments. Although we do not yet have a factual basis for the assumption that natural daylight is overall “better” than electric light, the environmental debate mandates serious consideration of sunlight not just for solar power but also as biologically necessary for sustainable and healthy living.16 páginasapplication/pdfengBiochemical Pharmacologyreponame:Expeditio Repositorio Institucional UJTLinstname:Universidad de Bogotá Jorge Tadeo LozanoDaylight for humansSíndrome respiratorio agudo graveCOVID-19SARS-CoV-2CoronavirusThe relevance of daylight for humansArtículohttp://purl.org/coar/resource_type/c_2df8fbb1Abierto (Texto Completo)http://purl.org/coar/access_right/c_abf2Wirz-Justice, AnnaSkene, Debra J.Münch, MirjamLICENSElicense.txtlicense.txttext/plain; charset=utf-82938https://expeditiorepositorio.utadeo.edu.co/bitstream/20.500.12010/15301/2/license.txtabceeb1c943c50d3343516f9dbfc110fMD52open accessTHUMBNAILThe-relevance-of-daylight-for-humans_2020_Biochemical-Pharmacology.pdf.jpgThe-relevance-of-daylight-for-humans_2020_Biochemical-Pharmacology.pdf.jpgIM Thumbnailimage/jpeg10108https://expeditiorepositorio.utadeo.edu.co/bitstream/20.500.12010/15301/3/The-relevance-of-daylight-for-humans_2020_Biochemical-Pharmacology.pdf.jpga194245d41cf8c113bcf452e033a0901MD53open access20.500.12010/15301oai:expeditiorepositorio.utadeo.edu.co:20.500.12010/153012021-03-12 17:42:20.403metadata only accessRepositorio Institucional - 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