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https://www.readbyqxmd.com/read/28730970/healthy-diet-and-reduction-of-chronic-disease-risks-of-night-shift-workers
#1
Giovanni M Ferri, Domenica Cavone, Graziana Intranuovo, Linda Macinagrossa
BACKGROUND: The large increase in epidemiological studies on night shift work is due to the important effects of night shift work on workers' health and psychophysical wellbeing. The short-term effects-insomnia, difficulties in managing work and private life, lower work performance, and more work and extra-work accidents-are easily studied. However, there are several long-term effects that are difficult to study because of the need for detailed exposure assessment and the long latency periods of these diseases...
July 20, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28724246/health-consequences-of-electric-lighting-practices-in-the-modern-world-a-report-on-the-national-toxicology-program-s-workshop-on-shift-work-at-night-artificial-light-at-night-and-circadian-disruption
#2
REVIEW
Ruth M Lunn, David E Blask, Andrew N Coogan, Mariana G Figueiro, Michael R Gorman, Janet E Hall, Johnni Hansen, Randy J Nelson, Satchidananda Panda, Michael H Smolensky, Richard G Stevens, Fred W Turek, Roel Vermeulen, Tania Carreón, Claire C Caruso, Christina C Lawson, Kristina A Thayer, Michael J Twery, Andrew D Ewens, Sanford C Garner, Pamela J Schwingl, Windy A Boyd
The invention of electric light has facilitated a society in which people work, sleep, eat, and play at all hours of the 24-hour day. Although electric light clearly has benefited humankind, exposures to electric light, especially light at night (LAN), may disrupt sleep and biological processes controlled by endogenous circadian clocks, potentially resulting in adverse health outcomes. Many of the studies evaluating adverse health effects have been conducted among night- and rotating-shift workers, because this scenario gives rise to significant exposure to LAN...
July 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28707432/mechanisms-of-breast-cancer-risk-in-shift-workers-association-of-telomere-shortening-with-the-duration-and-intensity-of-night-work
#3
Johanna Samulin Erdem, Heidi Ødegaard Notø, Øivind Skare, Jenny-Anne S Lie, Marte Petersen-Øverleir, Edyta Reszka, Beata Pepłońska, Shanbeh Zienolddiny
Occupational factors such as shiftwork and especially night work that involves disruption of the circadian rhythm may contribute to increased breast cancer risk. Circadian disruption may also affect telomere length (TL). While short TL generally is associated with increased cancer risk, its association with breast cancer risk is inconclusive. We suggest that working schedules might be an important factor in assessment of effects of TL on breast cancer risk. Moreover, telomere shortening might be a potential mechanism for night work-related breast cancer...
July 14, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28707304/actigraph-measures-of-sleep-among-female-hospital-employees-working-day-or-alternating-day-and-night-shifts
#4
Jill Korsiak, Joan Tranmer, Michael Leung, Michael M Borghese, Kristan J Aronson
Sleep disturbance is common among shift workers, and may be an important factor in the effect of shift work on chronic disease development. In this cross-sectional study, we described sleep patterns of 294 female hospital workers (142 alternating day-night shift workers, 152 day workers) and determined associations between shift work and sleep duration. Rest-activity cycles were recorded with the ActiGraph GT3X+ for 1 week. Analyses were stratified by chronotype of shift workers. Using all study days to calculate average sleep duration, shift workers slept approximately 13 min less than day workers during main sleep periods, while 24-h sleep duration did not differ between day workers and shift workers...
July 14, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28695685/diet-quality-and-sleep-quality-among-day-and-night-shift-nurses
#5
Deborah Beebe, Jen Jen Chang, Kathleen Kress, Mildred Mattfeldt-Beman
AIMS: To determine whether night shift workers have a poorer diet quality and sleep quality when compared with day shift nurses. BACKGROUND: There is a dearth of research investigating the association between diet quality and sleep quality of day and night shift nurses. METHODS: Data on nurses (n = 103) working either a day or night shift from two Midwestern hospitals were obtained from August 2015 to February 2016. The instruments used were the Diet History Questionnaire and the Pittsburg Sleep Quality Index...
July 11, 2017: Journal of Nursing Management
https://www.readbyqxmd.com/read/28691592/reduction-of-sleep-deprivation-and-fatigue-in-mass-transit-rail-operators
#6
Ajeenah L Haynes
Sleep and work schedules differ considerably between rail workers and the broader U.S. workforce. Due to extended work hours and night shift schedules, train and engine service workers who operate passenger trains or move freight are most vulnerable to fatigue. This article addresses the need for comprehensive fatigue risk management systems (FRMS) for rail operators. Using a transactional ergonomic perspective, FRMS are discussed with a focus on fatigue education and administrative controls to reduce feelings of tiredness, low motivation, poor concentration, and low physical activity among mass transit rail operators...
July 1, 2017: Workplace Health & Safety
https://www.readbyqxmd.com/read/28674597/sleep-hygiene-education-improves-sleep-indices-in-elite-female-athletes
#7
Shannon O'Donnell, Matthew W Driller
The importance of sleep in providing psychophysiological recovery in elite athletes is often overlooked. In other populations (eg shift workers and adolescent students), sleep hygiene education may serve to acutely improve sleep indices. However, this is yet to be examined in an elite athlete setting. Therefore, the aim of the current study was to evaluate the effect of a sleep hygiene education session on sleep indices in elite athletes. The study involved 26 elite female netball athletes performing one week of baseline sleep monitoring (PRE), followed by a sleep hygiene education session and a further week of sleep monitoring (POST) in a single group, pre- post design...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28652381/oxidative-dna-damage-during-night-shift-work
#8
Parveen Bhatti, Dana K Mirick, Timothy W Randolph, Jicheng Gong, Diana Taibi Buchanan, Junfeng Jim Zhang, Scott Davis
OBJECTIVES: We previously reported that compared with night sleep, day sleep among shift workers was associated with reduced urinary excretion of 8-hydroxydeoxyguanosine (8-OH-dG), potentially reflecting a reduced ability to repair 8-OH-dG lesions in DNA. We identified the absence of melatonin during day sleep as the likely causative factor. We now investigate whether night work is also associated with reduced urinary excretion of 8-OH-dG. METHODS: For this cross-sectional study, 50 shift workers with the largest negative differences in night work versus night sleep circulating melatonin levels (measured as 6-sulfatoxymelatonin in urine) were selected from among the 223 shift workers included in our previous study...
June 26, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28650914/associations-of-rotational-shift-work-and-night-shift-status-with-hypertension-a-systematic-review-and-meta-analysis
#9
Sandhya Manohar, Charat Thongprayoon, Wisit Cheungpasitporn, Michael A Mao, Sandra M Herrmann
BACKGROUND: The reported risks of hypertension (HTN) in rotating shift and night shift workers are controversial. The objective of this meta-analysis was to assess the association between shift work status and HTN. METHODS: A literature search was performed using MEDLINE, EMBASE and Cochrane Database from inception through October 2016. Studies that reported odds ratios (OR) comparing the risk of HTN in shift workers were included. A prespecified subgroup analysis by rotating shift and night shift statuses were also performed...
June 24, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28635334/timing-of-food-intake-during-simulated-night-shift-impacts-glucose-metabolism-a-controlled-study
#10
Crystal L Grant, Alison M Coates, Jillian Dorrian, David J Kennaway, Gary A Wittert, Leonie K Heilbronn, Maja Pajcin, Chris Della Vedova, Charlotte C Gupta, Siobhan Banks
Eating during the night may increase the risk for obesity and type 2 diabetes in shift workers. This study examined the impact of either eating or not eating a meal at night on glucose metabolism. Participants underwent four nights of simulated night work (SW1-4, 16:00-10:00 h, <50 lux) with a daytime sleep opportunity each day (10:00-16:00 h, <3 lux). Healthy males were assigned to an eating at night (NE; n = 4, meals; 07:00, 19:00 and 01:30 h) or not eating at night (NEN; n = 7, meals; 07:00 h, 09:30, 16:10 and 19:00 h) condition...
June 21, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28630378/randomised-controlled-trial-of-the-efficacy-of-a-blue-enriched-light-intervention-to-improve-alertness-and-performance-in-night-shift-workers
#11
Tracey L Sletten, Suzanne Ftouni, Christian L Nicholas, Michelle Magee, Ronald R Grunstein, Sally Ferguson, David J Kennaway, Darren O'Brien, Steven W Lockley, Shantha M W Rajaratnam
OBJECTIVES: Night workers often experience high levels of sleepiness due to misalignment of the sleep-wake cycle from the circadian pacemaker, in addition to acute and chronic sleep loss. Exposure to light, in particular short wavelength light, can improve alertness and neurobehavioural performance. This randomised controlled trial examined the efficacy of blue-enriched polychromatic light to improve alertness and neurobehavioural performance in night workers. DESIGN: Participants were 71 night shift workers (42 males; 32...
June 19, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28627309/measuring-light-at-night-and-melatonin-levels-in-shift-workers-a-review-of-the-literature
#12
Claudia M Hunter, Mariana G Figueiro
Shift work, especially that involving rotating and night shifts, is associated with an increased risk of diseases, including cancer. Attempts to explain the association between shift work and cancer in particular have focused on the processes of melatonin production and suppression. One hypothesis postulates that exposure to light at night (LAN) suppresses melatonin, whose production is known to slow the development of cancerous cells, while another proposes that circadian disruption associated with shift work, and not just LAN, increases health risks...
July 2017: Biological Research for Nursing
https://www.readbyqxmd.com/read/28613972/night-work-light-exposure-and-melatonin-on-work-days-and-days-off
#13
Stine Daugaard, Anne Helene Garde, Jens Peter Ellekilde Bonde, Jens Christoffersen, Äse Marie Hansen, Jakob Markvart, Vivi Schlünssen, Debra J Skene, Helene Tilma Vistisen, Henrik A Kolstad
We aimed to examine the effects of night work on salivary melatonin concentration during and subsequent to night work and the mediating role of light. We included 254 day workers and 87 night workers who were followed during 322 work days and 301 days off work. Each day was defined as the 24 hour period starting from the beginning of a night shift or from waking in the mornings with day work and days off. Light levels were recorded and synchronized with diary information (start and end of sleep and work). On average, participants provided four saliva samples per day, and these were analyzed for melatonin concentration by liquid chromatography tandem mass spectrometry (LC-MS/MS)...
June 14, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28610626/social-accountability-in-primary-health-care-in-west-and-central-africa-exploring-the-role-of-health-facility-committees
#14
Elsbet Lodenstein, Eric Mafuta, Adolphe C Kpatchavi, Jean Servais, Marjolein Dieleman, Jacqueline E W Broerse, Alpha Amadou Bano Barry, Thérèse M N Mambu, Jurrien Toonen
BACKGROUND: Social accountability has been emphasised as an important strategy to increase the quality, equity, and responsiveness of health services. In many countries, health facility committees (HFCs) provide the accountability interface between health providers and citizens or users of health services. This article explores the social accountability practices facilitated by HFCs in Benin, Guinea and the Democratic Republic of Congo. METHODS: The paper is based on a cross-case comparison of 11 HFCs across the three countries...
June 13, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28590149/objective-working-hour-characteristics-and-work-life-conflict-among-hospital-employees-in-the-finnish-public-sector-study
#15
Kati Karhula, Sampsa Puttonen, Annina Ropponen, Aki Koskinen, Anneli Ojajärvi, Mika Kivimäki, Mikko Härmä
This epidemiological cohort study, based on Finnish public sector data, investigated the associations between objective working hour characteristics and work-life conflict in day and shift work. The comprehensive data of hospital workers (n = 8 931, 92% women, average age 45 years), consisted of survey responses from 2012, linked with the payroll data of working hour characteristics from 91 days preceding the survey. Logistic regression analysis was used to investigate the associations between working hour characteristics and experiencing work-life conflict often/very often...
June 7, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28551698/glucose-metabolism-during-rotational-shift-work-in-healthcare-workers
#16
Anu Sharma, Marcello C Laurenti, Chiara Dalla Man, Ron T Varghese, Claudio Cobelli, Robert A Rizza, Aleksey Matveyenko, Adrian Vella
AIMS/HYPOTHESIS: Shift-work is associated with circadian rhythm disruption and an increased risk of obesity and type 2 diabetes. We sought to determine the effect of rotational shift-work on glucose metabolism in humans. METHODS: We studied 12 otherwise healthy nurses performing rotational shift-work using a randomised crossover study design. On each occasion, participants underwent an isotope-labelled mixed meal test during a simulated day shift and a simulated night shift, enabling simultaneous measurement of glucose flux and beta cell function using the oral minimal model...
May 27, 2017: Diabetologia
https://www.readbyqxmd.com/read/28548389/night-shift-work-is-associated-with-poorer-glycaemic-control-in-patients-with-type-2-diabetes
#17
Areesa Manodpitipong, Sunee Saetung, Hataikarn Nimitphong, Nantaporn Siwasaranond, Thanawat Wongphan, Chotima Sornsiriwong, Pranee Luckanajantachote, Prasitchai Mangjit, Prasit Keesukphan, Stephanie J Crowley, Megan M Hood, Sirimon Reutrakul
The circadian system plays a role in regulating metabolism. Night-shift work, a form of circadian misalignment, is associated with increased type 2 diabetes risk. This study aimed to determine if night-shift workers with type 2 diabetes experience poorer glycaemic control than non-shift workers. Patients with type 2 diabetes (104 unemployed, 85 day workers and 60 night-shift workers) participated. Sleep duration, sleep quality, morningness-eveningness preference, depressive symptoms and dietary intake were assessed using standardized questionnaires...
May 26, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28541391/rotating-night-shift-work-and-risk-of-breast-cancer-in-the-nurses-health-studies
#18
Lani R Wegrzyn, Rulla M Tamimi, Bernard A Rosner, Susan B Brown, Richard G Stevens, A Heather Eliassen, Francine Laden, Walter C Willett, Susan E Hankinson, Eva S Schernhammer
In 2007, the International Agency for Research on Cancer declared shift work involving circadian disruption to be a "probable" carcinogen (group 2A), noting that human evidence was limited. This study examined associations between rotating night shift work and breast cancer risk in two prospective cohorts, the Nurses' Health Studies (NHS: 1988-2012, n = 78,516; NHS2: 1989-2013, n = 114,559), with 9,541 incident invasive breast malignancies and 24 years of follow-up. Women in NHS with 30+ years of shift work had no increased risk of breast cancer (Hazard ratio (HR) = 0...
May 24, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28536575/inflammatory-long-pentraxin-3-is-associated-with-leukocyte-telomere-length-in-night-shift-workers
#19
Sofia Pavanello, Mariarita Stendardo, Giuseppe Mastrangelo, Melissa Bonci, Barbara Bottazzi, Manuela Campisi, Marco Nardini, Roberto Leone, Alberto Mantovani, Piera Boschetto
Aging is an emerging worldwide threat to public health, even in the workplace, as it links with risk of illness and death. Bewildered inflammatory responses and stressful conditions associate with age-related disorders. Additionally, circadian rhythm disruption, a critical health issue in night-shift workers, correlates with premature aging. We investigated the hypothesis of a link between altered inflammatory response, detected by plasmatic long pentraxin 3 (PTX3), and biological aging, measured by leukocyte telomere length (LTL), attrition, and possibly induced by night-shift work...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28534280/a-prospective-cohort-study-of-insomnia-and-chronic-kidney-disease-in-japanese-workers
#20
Sachiko Sasaki, Eiji Yoshioka, Yasuaki Saijo, Akira Bannai, Toshiko Kita, Akiko Tamakoshi, Reiko Kishi
PURPOSE: The role of insomnia in chronic kidney disease (CKD) is controversial. To date, there have been no prospective studies investigating insomnia, CKD and the effect of shift work. We assessed insomnia and CKD risk in a prospective, occupational cohort study. METHODS: A total of 3600 participants with normal kidney function were followed for an average of 4.4 years. Insomnia was assessed using the Athens Insomnia Scale (AIS). CKD was defined as an estimated glomerular filtration rate of <60 mL/min/1...
May 22, 2017: Sleep & Breathing, Schlaf & Atmung
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