Tag

Circadian Rhythm
Lee EE, Amritwar A, Hong LE, Mohyuddin I, Brown T, Postolache TT. Daily and Seasonal Variation in Light Exposure among the Old Order Amish. Int J Environ Res Public Health. 2020 Jun 21;17(12):4460. doi: 10.3390/ijerph17124460. PMID: 32575882; PMCID: PMC7344929. Abstract Exposure to artificial bright light in the late evening and early night, common in modern...
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Nurses are among the workers who have to work at night. Are women affected differently than men by night shifts? (Photo: Tore Meek / NTB scanpix) Source: https://sciencenorway.no/biology-gender-and-society-sleep/do-men-and-women-have-different-circadian-rhythms/1742390 New research may provide answers as to why some people tolerate being awake at night better than others. Ida Kvittingen JOURNALIST PUBLISHED Friday 18. september 2020 – 10:58 Staying awake...
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Science  04 Sep 2020:Vol. 369, Issue 6508, pp. 1164-1165DOI: 10.1126/science.abd4964 Summary Circadian rhythms, or the body clock, confer temporal structure on human behavior and physiology to align homeostatic processes with anticipated changes in the environment. Disruption of these rhythms can influence health and well-being. Chronobiological research has often failed to consider how this temporal organization may...
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Source: https://www.washingtonpost.com/health/2020/09/03/coronavirus-sleep-insomnia/ Excerpt: As if the novel coronavirus has not already wrought devastation aplenty on the world, physicians and researchers are seeing signs it is doing deep damage to people’s sleep. “Coronasomnia,” as some experts now call it, could prove to have profound public-health ramifications — creating a massive new population of chronic insomniacs grappling...
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Dong K, Goyarts EC, Pelle E, Trivero J, Pernodet N. Blue light disrupts the circadian rhythm and create damage in skin cells. Int J Cosmet Sci. 2019;41(6):558-562. doi:10.1111/ics.12572 Abstract On a daily basis, the skin is exposed to many environmental stressors and insults. Over a 24-h natural cycle, during the day, the skin is focused on...
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Mills J, Kuohung W. Impact of circadian rhythms on female reproduction and infertility treatment success. Curr Opin Endocrinol Diabetes Obes. 2019;26(6):317-321. doi:10.1097/MED.0000000000000511 Abstract Purpose of review: In recent years, new studies have investigated the role and influence of sleep on female fertility and early pregnancy outcomes, providing a growing body of knowledge demonstrating how regulation by sleep...
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Leone MJ, Sigman M, Golombek DA. Effects of lockdown on human sleep and chronotype during the COVID-19 pandemic. Curr Biol. 2020;30(16):R930-R931. doi:10.1016/j.cub.2020.07.015 Abstract The COVID-19 pandemic [1] resulted in many countries imposing a lockdown, which in turn reduces sunlight exposure and alters daily social schedules. Since these are the main entrainment factors for biological rhythms [2],...
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Benjamin SE. Sleep in Patients With Neurologic Disease. Continuum (Minneap Minn). 2020;26(4):1016-1033. doi:10.1212/CON.0000000000000887 Abstract Purpose of review: This article provides a discussion of the current evidence and contemporary views on the relationship between sleep disorders and neurologic disease. Recent findings: Disrupted or disordered sleep can be associated with increased morbidity and mortality, the risk of cardiovascular events, increased...
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Wieduwilt A, Alsat EA, Blickwedel J, et al. Dramatically altered environmental lighting conditions in women with high-risk pregnancy during hospitalization [published online ahead of print, 2020 Aug 4]. Chronobiol Int. 2020;1-6. doi:10.1080/07420528.2020.1792484 Abstract The maternal circadian time structure is incredibly important in the entrainment and programing of the fetal and newborn circadian time structure. Natural sunlight...
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By David Ray, July 7, 2020 Night shift work has been a common feature of industrial economies for decades, and it has long been known that working through the night can negatively impact upon health. In recent years, the evidence base about these health impacts has expanded considerably. Here, Professor David Ray introduces this evidence and highlights how...
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