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https://www.readbyqxmd.com/read/28810965/the-benefits-and-risks-of-energy-drinks-in-young-adults-and-military-service-members
#1
Julianne Manchester, Inbal Eshel, Donald W Marion
INTRODUCTION: Energy drinks (EDs) have become an integral part of the young adult, athletic, and military culture. Many athletes are convinced that EDs enhance performance, and service members as well as college students frequently use EDs as stimulants to counter sleep deprivation, or to improve academic performance. However, concerns have been raised by some military leaders about potential adverse effects of EDs. MATERIALS AND METHODS: A needs assessment survey of a convenience sample of military health care providers was conducted and identified EDs as a top knowledge need for those providers working in the area of traumatic brain injury (TBI)...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28810446/physical-recovery-mental-detachment-and-sleep-as-predictors-of-injury-and-mental-energy
#2
Yannick A Balk, Jan de Jonge, Wido Gm Oerlemans, Sabine Ae Geurts
Although sports activities are generally considered beneficial to people's health and well-being, they can cause injuries and increased fatigue. Guided by the Demand-Induced Strain Compensation Recovery Model, this study hypothesized that physical recovery and mental detachment from sport-related activities would prevent injury and enhance mental energy. A cross-sectional survey study was conducted among 161 recreational athletes. Structural equation modelling analyses showed that mental detachment was negatively associated with injury and positively associated with mental energy...
May 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28810072/dreamless-the-silent-epidemic-of-rem-sleep-loss
#3
Rubin Naiman
We are at least as dream deprived as we are sleep deprived. Many of the health concerns attributed to sleep loss result from a silent epidemic of REM sleep deprivation. REM/dream loss is an unrecognized public health hazard that silently wreaks havoc with our lives, contributing to illness, depression, and an erosion of consciousness. This paper compiles data about the causes and extent of REM/dream loss associated with commonly used medications, endemic substance use disorders, rampant sleep disorders, and behavioral and lifestyle factors...
August 15, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28809932/rem-sleep-deprivation-induces-endothelial-dysfunction-and-hypertension-in-middle-aged-rats-roles-of-the-enos-no-cgmp-pathway-and-supplementation-with-l-arginine
#4
Jiaye Jiang, Zhongyuan Gan, Yuan Li, Wenqi Zhao, Hanqing Li, Jian-Pu Zheng, Yan Ke
Sleep loss can induce or aggravate the development of cardiovascular and cerebrovascular diseases. However, the molecular mechanism underlying this phenomenon is poorly understood. The present study was designed to investigate the effects of REM sleep deprivation on blood pressure in rats and the underlying mechanisms of these effects. After Sprague-Dawley rats were subjected to REM sleep deprivation for 5 days, their blood pressures and endothelial function were measured. In addition, one group of rats was given continuous access to L-arginine supplementation (2% in distilled water) for the 5 days before and the 5 days of REM sleep deprivation to reverse sleep deprivation-induced pathological changes...
2017: PloS One
https://www.readbyqxmd.com/read/28803119/the-effects-of-low-intensity-cycling-on-cognitive-performance-following-sleep-deprivation
#5
Alexis B Slutsky, Jed A Diekfuss, James A Janssen, Nate T Berry, Chia-Hao Shih, Louisa D Raisbeck, Laurie Wideman, Jennifer L Etnier
This study examined the effect of 24h of sleep deprivation on cognitive performance and assessed the effect of acute exercise on cognitive performance following sleep deprivation. Young, active, healthy adults (n=24, 14 males) were randomized to control (age=24.7±3.7years, BMI=27.2±7.0) or exercise (age=25.3±3.3years, BMI=25.6±5.1) groups. Cognitive testing included a 5-min psychomotor vigilance task (PVT), three memory tasks with increasing cognitive load, and performance of the PVT a second time. On morning one, cognitive testing followed a typical night's sleep...
August 9, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28802301/sleep-duration-s-association-with-diet-physical-activity-mental-status-and-weight-among-korean-high-school-students
#6
Jounghee Lee
BACKGROUND AND OBJECTIVES: Sleep deprivation is a critical public health problem, especially in Korean adolescents. This study aimed to identify the association between sleep duration and dietary behaviors, physical activity, mental status, and nutritional status among high school students in South Korea. METHODS AND STUDY DESIGN: Based on the data collected from the 2014 Korea Youth Risk Behavior Web-based Survey, 31,407 high school students who met the inclusion criteria were selected and the association between sleep duration and selected health risk factors was identified using multivariable logistic regression models...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28801431/socioeconomic-and-geographical-variation-in-general-practitioner-consultations-for-allergic-rhinitis-in-england-2003-2014-an-observational-study
#7
Daniel Todkill, Paul Loveridge, Alex James Elliot, Roger Morbey, Simon de Lusignan, Obaghe Edeghere, Gillian Smith
OBJECTIVE: Allergic rhinitis (AR) is a global health problem, potentially impacting individuals' sleep, work and social life. We aimed to use a surveillance network of general practitioners (GPs) to describe the epidemiology of AR consultations in England. SETTING: A large GP surveillance network covering approximately 53% of the English population. METHODS: GP consultations for AR across England between 30 December 2002 and 31 December 2014 were analysed...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28797915/detecting-interictal-discharges-in-first-seizure-patients-ambulatory-eeg-or-eeg-after-sleep-deprivation
#8
I Geut, S Weenink, I L H Knottnerus, M J A M van Putten
PURPOSE: Uncertainty about recurrence after a first unprovoked seizure is a significant psychological burden for patients, and motivates the need for diagnostic tools with high sensitivity and specificity to assess recurrence risk. As the sensitivity of a routine EEG after a first unprovoked seizure is limited, patients often require further diagnostics. Here, we study if ambulatory EEG (aEEG) has similar diagnostic accuracy as sleep deprived EEG (sdEEG). METHODS: In this retrospective cohort, we included patients with an unprovoked first seizure and a normal routine EEG who subsequently underwent an sdEEG or aEEG...
August 2, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28791985/knowledge-of-medical-students-about-epilepsy-need-for-a-change
#9
B A Ezeala-Adikaibe, T Okpara, O S Ekenze, O Onodugo, N P Ezeala-Adikaibe, T Nnaji, G Onyebueke
PURPOSE: Though most doctors in their professional life will provide care for people with epilepsy, many will not get further training in their professional life. There may be other barriers, perceived or not, to providing care to people living with epilepsy by doctors which need to be approached in the medical undergraduate curriculum and medical continuing education. The aim of this study was to determine the knowledge gaps of medical students on basic issues regarding epilepsy that could be useful in preparing training material for the students and continuous medical education for doctors working in the community...
July 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28782143/dynamics-of-cerebral-responses-to-sustained-attention-performance-during-one-night-of-sleep-deprivation
#10
Yuanqiang Zhu, Yibin Xi, Ningbo Fei, Yuchen Liu, Xinxin Zhang, Lin Liu, Ziliang Xu, Jinbo Sun, Xuejuan Yang, Hong Yin, Jie Tian, Wei Qin
Total sleep deprivation (TSD) is increasingly common in modern society bringing various neurobehavioural effects. Dynamic changes of behaviour performances during TSD have been reported extensively, while the cerebral activation underlying such changes have not been elucidated clearly. This study aimed to investigate dynamic changes in cerebral responses to the fastest and slowest psychomotor vigilance task (PVT) trials during TSD. Thirty-six healthy subjects with intermediate chronotype performed the PVT while undergoing functional magnetic resonance imaging every 2 h from 22:00 hours on the first day to 06:00 hours on the second day (i...
August 6, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28774856/modafinil-improves-attentional-performance-in-healthy-non-sleep-deprived-humans-at-doses-not-inducing-hyperarousal-across-species
#11
Zackary A Cope, Arpi Minassian, Dustin Kreitner, David A MacQueen, Morgane Milienne-Petiot, Mark A Geyer, William Perry, Jared W Young
The wake-promoting drug modafinil is frequently used off-label to improve cognition in psychiatric and academic populations alike. The domain-specific attentional benefits of modafinil have yet to be quantified objectively in healthy human volunteers using tasks validated for comparison across species. Further, given that modafinil is a low-affinity inhibitor for the dopamine and norepinephrine transporters (DAT/NET respectively) it is unclear if any effects are attributable to a non-specific increase in arousal, a feature of many catecholamine reuptake inhibitors (e...
August 1, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28771623/the-distracted-mind-on-the-wheel-overall-propensity-to-mind-wandering-is-associated-with-road-crash-responsibility
#12
Cédric Gil-Jardiné, Mélanie Née, Emmanuel Lagarde, Jonathan Schooler, Benjamin Contrand, Ludivine Orriols, Cédric Galera
The role of distractions on attentional lapses that place road users in higher risk of crash remains poorly understood. We aimed to assess the respective impact of (i) mind wandering trait (propensity to mind wander in the everyday life as measured with a set of 4 questions on the proportion of time spent mind wandering in 4 different situations) and (ii) mind wandering state (disturbing thoughts just before the crash) on road crash risk using a comparison between responsible and non-responsible drivers. 954 drivers injured in a road crash were interviewed at the adult emergency department of the Bordeaux university hospital in France (2013-2015)...
2017: PloS One
https://www.readbyqxmd.com/read/28766351/the-impact-of-sleep-deprivation-on-hippocampal-mediated-learning-and-memory-in-rats
#13
M Saygin, M F Ozguner, O Onder, D K Doguc, I Ilhan, Y Peker
BACKGROUND: To examine the impact of different types of sleep deprivation on hippocampal-mediated learning and memory in rats. METHODS: Forty-eight Sprague-Dawley male rats were randomly assigned to 1 of 4 equal-size groups: (1) 12 hours of sleep per day (control). (2) total sleep deprivation (TSD), (3) rapid eye movement (REM) deprivation (RD), and (4) sleep restricted to 4 hours per day (SR). All rats were subjected to swimming training in the Morris water maze (MWM)...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28761498/tranquilizing-and-allaying-excitement-needling-method-affects-bdnf-and-syp-expression-in-hippocampus
#14
Peng Zheng, Xiaohong Xu, Hongyan Zhao, Tingting Lv, Bailin Song, Fuchun Wang
Sleep disorder is a state of sleep loss caused by various reasons, which leads to a series of changes, such as emotion, learning and memory, and immune function. "Tranquilizing and allaying excitement" was widely used in clinical treatment of insomnia; however, the mechanism was still not very clear. We randomly divided rats into three groups: control group, sleep deprivation group, and acupuncture treatment group. We observed BDNF and SYP expression in hippocampus in these three groups. Both protein contents and mRNA contents of BDNF and SYP were measured by western blot, immunohistochemistry, and RT-PCR analysis...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28760549/cognitive-deficits-in-obstructive-sleep-apnea-insights-from-a-meta-review-and-comparison-with-deficits-observed-in-copd-insomnia-and-sleep-deprivation
#15
REVIEW
Michelle Olaithe, Romola S Bucks, David R Hillman, Peter R Eastwood
Obstructive sleep apnea (OSA) is a nocturnal breathing disorder that is associated with cognitive impairment. The primary determinants of cognitive deficits in OSA are thought to be sleep disruption and blood gas abnormalities. Cognitive impairment is also seen in other disorders that are characterised primarily by sleep disturbance (e.g., sleep restriction/deprivation, insomnia) or hypoxia/hypercarbia (e.g., chronic obstructive pulmonary disease (COPD)). Assessment of the cognitive deficits observed in these other disorders could help better define the mechanisms underlying cognitive deficits in OSA...
March 30, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/28758152/sleep-deprivation-disrupts-recall-of-conditioned-fear-extinction
#16
Laura D Straus, Dean T Acheson, Victoria B Risbrough, Sean P A Drummond
BACKGROUND: Learned fear is crucial in the development and maintenance of posttraumatic stress disorder (PTSD) and other anxiety disorders, and extinction of learned fear is necessary for response to exposure-based treatments. In humans, research suggests disrupted sleep impairs consolidation of extinction, though no studies have examined this experimentally using total sleep deprivation. METHODS: Seventy-one healthy controls underwent a paradigm to acquire conditioned fear to a visual cue...
March 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/28754432/the-5-choice-continuous-performance-test-5c-cpt-a-novel-tool-to-assess-cognitive-control-across-species
#17
REVIEW
Savita G Bhakta, Jared W Young
BACKGROUND: Neurodevelopmental disorders including Tourette's syndrome (TS) and attention deficit hyperactivity disorder (ADHD) are characterized by significant impairment in attention and cognitive control. These cognitive deficits persist throughout development, contribute significantly to socio-occupational impairment, and are relatively impervious to available treatment. A critical challenge in pro-cognitive drug discovery is translatability of findings across species, underscoring the need for developing valid and reliable cross-species cognitive tasks...
July 25, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28750174/cognitive-fatigue-an-impaired-cortical-inhibitory-replenishment
#18
Claude Touzet
PRIMARY OBJECTIVE: The present study explores the cause of cognitive fatigue in persons with traumatic brain injury (TBI), as also in persons with Multiple Sclerosis (MS). Since cognitive fatigue shares many symptoms with chronic sleep deprivation (best described as cumulative excess wakefulness), it was hypothesized that cognitive fatigue is caused by cumulative excess wakefulness because of an impaired sleep efficacy. Recent results about the nature of sleep advocate that sleep aims primarily to replenish the efficiency of cortical inhibitory synapses...
July 27, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28741085/the-effect-of-sleep-deprivation-on-retrieval-of-emotional-memory-a-behavioural-study-using-film-stimuli
#19
Daniela Tempesta, Valentina Socci, Giada Dello Ioio, Luigi De Gennaro, Michele Ferrara
Although the deleterious effects of sleep deprivation on memory consolidation are well documented, it is still unclear how the facilitating effect of emotions on memory consolidation processes could be modulated by the lack of sleep. In this study, we investigated the effects of sleep deprivation on episodic memory using emotional and non-emotional film stimuli. Forty-eight healthy subjects, divided into a sleep group (SG) and a sleep-deprived (SD) group, completed an Encoding and a Recall phase. Participants in the SD group were sleep deprived the night immediately following the Encoding phase, whereas the control group slept at home...
July 24, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28738082/short-term-sleep-deprivation-leads-to-decreased-systemic-redox-metabolites-and-altered-epigenetic-status
#20
Malav S Trivedi, Dana Holger, Anh Tuyet Bui, Travis J A Craddock, Jaime L Tartar
Sleep is critical for repair as well as the rejuvenation processes in the body and many of these functions are regulated via underlying cellular metabolic homeostasis. Changes in sleep pattern are reported to alter such metabolic function resulting in altered disease susceptibility or behavior. Here, we measured the extent to which overnight total sleep deprivation (SD) in young adult humans can influence systemic (plasma-derived) redox-metabolism including the major antioxidant, glutathione as well as DNA methylation levels...
2017: PloS One
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