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https://www.readbyqxmd.com/read/28644416/evaluation-of-trace-element-and-metal-accumulation-and-edibility-risk-associated-with-consumption-of-labeo-umbratus-from-the-vaal-dam-south-africa
#1
Beric M Gilbert, Ebrahim Hussain, Franz Jirsa, Annemariè Avenant-Oldewage
With the occurrence of recreational and small scale subsistence fishing activities at the Vaal Dam, South Africa, consumption of fish from this dam may result in health risks associated with trace elements and metals. The Vaal Dam is one of the largest dams in South Africa, located between the Gauteng Province and Orange Free State, and supplies water to approximately 11.6 million people. A total of 38 specimens of the benthic cyprinid fish Labeo umbratus were collected from the Vaal Dam during two surveys, in 2011 and 2016...
June 23, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28644193/heel-raised-foot-posture-do-not-affect-trunk-and-lower-extremity-biomechanics-during-a-barbell-back-squat-in-recreational-weightlifters
#2
Szu-Ping Lee, Carrie Gillis, Javier J Ibarra, Derek Oldroyd, Ryan Zane
It is claimed that weightlifting shoes with a raised heel may lead to a more upright trunk posture, and thus reduce the risk of back injuries during a barbell back squat. These proclaimed biomechanical effects have not been thoroughly investigated. The purpose of this study was to compare trunk and lower extremity biomechanics during barbell back squats in 3 foot postures.14 recreational weightlifters (7 male and 7 female) between the ages of 18-50 performed barbell back squats in 3 conditions (barefoot on a flat surface, barefoot on a heel-raised platform, and wearing heel-raised weightlifting shoes) at 80% of their 1-RM...
June 19, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28643233/assessing-environmental-exposure-to-%C3%AE-n-methylamino-l-alanine-bmaa-in-complex-sample-matrices-a-comparison-of-the-three-most-popular-lc-ms-ms-methods
#3
Teesha C Baker, Fiona J M Tymm, Susan J Murch
β-N-Methylamino-L-alanine (BMAA) is a naturally occurring non-protein amino acid produced by cyanobacteria, accumulated through natural food webs, found in mammalian brain tissues. Recent evidence indicates an association between BMAA and neurological disease. The accurate detection and quantification of BMAA in food and environmental samples are critical to understanding BMAA metabolism and limiting human exposure. To date, there have been more than 78 reports on BMAA in cyanobacteria and human samples, but different methods give conflicting data and divergent interpretations in the literature...
June 22, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28643129/magnetohydrodynamic-voltage-recorder-for-comparing-peripheral-blood-flow
#4
Kevin J Wu, T Stan Gregory, Michael C Lastinger, Jonathan R Murrow, Zion Tsz Ho Tse
Blood flow is a clinical metric for monitoring of cardiovascular diseases but current measurements methods are costly or uncomfortable for patients. It was shown that the interaction of the magnetic field (B 0) during MRI and blood flow in the body, through the magnetohydrodynamic (MHD) effect, produce voltages (V MHD) observable through intra-MRI electrocardiography (ECG), which are correlated with regional blood flow. This study shows the reproducibility of V MHD outside the MRI and its application in a portable flow monitoring device...
June 22, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28643041/skull-fracture-with-effacement-of-the-superior-sagittal-sinus-following-drone-impact-a-case-report
#5
Lawrance K Chung, Yuri Cheung, Carlito Lagman, Nicholas Au Yong, Duncan Q McBride, Isaac Yang
BACKGROUND: The popularity of unmanned aerial vehicles, or drones, raises safety concerns as they become increasingly common for commercial, personal, and recreational use. Collisions between drones and people may result in serious injuries. CASE REPORT: A 13-year-old male presented with a comminuted depressed skull fracture causing effacement of the superior sagittal sinus secondary to a racing drone impact. The patient experienced a brief loss of consciousness and reported lower extremity numbness and weakness after the accident...
June 22, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28642585/how-postmortem-redistribution-of-mdma-in-acute-alcohol-mdma-combined-use-rats-change-under-effects-of-alcohol
#6
Man Liang, Jing Zhang, Na Zheng, Liang Liu
MDMA is often taken recreationally with alcohol as combined-use. The objective was to determine MDMA postmortem redistribution (PMR) and corresponding effects in combined-style under different storage conditions. Steps were 20%-mixture of alcohol-water for initial 4 weeks to Group-A&B and intragastric infusions of MDMA (150 mg/kg) to Group-A later; in the same time, drinking pure water to Group-C&D first and then MDMA-fed to Group-C. The sacrificed rats were kept under different conditions for 10-d, during which the body fluids and tissues were collected on 15 continuous time-points and then detected...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642567/mouthguard-use-may-reduce-dentofacial-injuries-in-field-hockey-players
#7
Kelvin I Afrashtehfar, Jason Chung
Data sourcesPubMed, Embase, OvidSP, Web of Science, Cochrane and CINAHL databases were searched up to February 2015 with no language restrictions.Study selectionTwo review authors independently assessed tiles and abstracts of the retrieved case-control, cohorts and cross-sectional studies. For the studies to have been included in the meta-analysis, they must have included the total number of hockey players reporting at least one dentofacial injury, the total number of these injuries compared with other types of injuries and quantitative data on characteristics of dentofacial injuries...
June 23, 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28642221/exercise-and-pregnancy-in-recreational-and-elite-athletes-2016-17-evidence-summary-from-the-ioc-expert-group-meeting-lausanne-part-3-exercise-in-the-postpartum-period
#8
Kari Bø, Raul Artal, Ruben Barakat, Wendy J Brown, Gregory A L Davies, Michael Dooley, Kelly R Evenson, Lene A H Haakstad, Bengt Kayser, Tarja I Kinnunen, Karin Larsén, Michelle F Mottola, Ingrid Nygaard, Mireille van Poppel, Britt Stuge, Karim M Khan, Ioc Medical Commission
No abstract text is available yet for this article.
June 22, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28641322/scuba-diving-and-otology-a-systematic-review-with-recommendations-on-diagnosis-treatment-and-post-operative-care
#9
REVIEW
Devon M Livingstone, Kristine A Smith, Beth Lange
Scuba diving is a popular recreational and professional activity with inherent risks. Complications related to barotrauma and decompression illness can pose significant morbidity to a diver's hearing and balance systems. The majority of dive-related injuries affect the head and neck, particularly the outer, middle and inner ear. Given the high incidence of otologic complications from diving, an evidence-based approach to the diagnosis and treatment of otic pathology is a necessity. We performed a systematic and comprehensive literature review including the pathophysiology, diagnosis, and treatment of otologic pathology related to diving...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641129/moderate-and-vigorous-physical-activity-patterns-among-marijuana-users-results-from-the-2007-2014-national-health-and-nutrition-examination-surveys
#10
Denise C Vidot, Jordan B Bispo, WayWay M Hlaing, Guillermo Prado, Sarah E Messiah
The relationship between marijuana use and recreational physical activity has yet to be explored in the United States. Our aim was to examine this relationship in a population-based sample of 20-to-59-year olds (N=12,618) using 2007-2014 National Health and Nutrition Examination Surveys. Marijuana use was categorized as never (reference group), past (previously but not within the last 30-days), and current (>1day in the last 30-days) use. Current users were further categorized based on frequency of use (light, moderate, and heavy users)...
June 13, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28641046/exploring-the-health-needs-of-aging-lgbt-adults-in-the-cape-fear-region-of-north-carolina
#11
Noell L Rowan, Kelsey Beyer
This study explored issues of culturally sensitive health care practice and needs among lesbian, gay, bisexual and transgender aging adults in coastal North Carolina. Survey data from 2013 to 2015 were analyzed using frequencies and logistic regression on concerns with culturally sensitive health needs for the LGBT aging adult population. Results indicated that the largest problem was a history of being verbally harassed (n = 115; 51.57%) and a need for more culturally sensitive health care provisions. A large majority of participants requested an improvement in offering of LGBT specific social activities (n = 149), recreational activities (n = 116), and art and cultural activities (n = 112)...
June 22, 2017: Journal of Gerontological Social Work
https://www.readbyqxmd.com/read/28640772/the-effect-of-a-carbohydrate-mouth-rinse-on-upper-body-muscular-strength-and-endurance
#12
James E Dunkin, Shaun M Phillips
Dunkin, JE and Phillips, SM. The effect of a carbohydrate mouth rinse on upper-body muscular strength and endurance. J Strength Cond Res 31(7): 1948-1953, 2017-Carbohydrate (CHO) mouth rinsing rapidly increases corticomotor output and maximal muscle force production, which could enhance muscular strength and endurance during resistance exercise. However, previous research has found no effect of CHO rinsing on muscular strength or endurance. The current study altered the CHO rinse composition and frequency and the muscular endurance test to further investigate the effects of a CHO mouth rinse on upper-body muscular strength and endurance...
July 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28640679/crash-fatality-rates-after-recreational-marijuana-legalization-in-washington-and-colorado
#13
Jayson D Aydelotte, Lawrence H Brown, Kevin M Luftman, Alexandra L Mardock, Pedro G R Teixeira, Ben Coopwood, Carlos V R Brown
OBJECTIVES: To evaluate motor vehicle crash fatality rates in the first 2 states with recreational marijuana legalization and compare them with motor vehicle crash fatality rates in similar states without recreational marijuana legalization. METHODS: We used the US Fatality Analysis Reporting System to determine the annual numbers of motor vehicle crash fatalities between 2009 and 2015 in Washington, Colorado, and 8 control states. We compared year-over-year changes in motor vehicle crash fatality rates (per billion vehicle miles traveled) before and after recreational marijuana legalization with a difference-in-differences approach that controlled for underlying time trends and state-specific population, economic, and traffic characteristics...
June 22, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28640062/an-atmospheric-pressure-ionization-ms-ms-assay-using-online-extraction-for-the-analysis-of-11-cannabinoids-and-metabolites-in-human-plasma-and-urine
#14
Jelena Klawitter, Cristina Sempio, Sophie Mörlein, Erik De Bloois, Jacek Klepacki, Thomas Henthorn, Maureen A Leehey, Edward J Hoffenberg, Kelly Knupp, George S Wang, Christian Hopfer, Greg Kinney, Russell Bowler, Nicholas Foreman, Jeffrey Galinkin, Uwe Christians, Jost Klawitter
BACKGROUND: Although, especially in the United States, there has been a recent surge of legalized cannabis for either recreational or medicinal purposes, surprisingly little is known about clinical dose-response relationships, pharmaco- and toxicodynamic effects of cannabinoids such as Δ9-tetrahydrocannabinol (THC). Even less is known about other active cannabinoids. METHODS: To address this knowledge gap, an online extraction, high-performance liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) method for simultaneous quantification of 11 cannabinoids and metabolites including THC, 11-hydroxy-Δ9-tetrahydrocannabinol (11OH-THC), 11-nor-Δ9-tetrahydrocannabinol-9-carboxylic acid (THC-COOH), 11-nor-Δ9-tetrahydrocannabinol-9-carboxylic acid glucuronide (THC-C-gluc), cannabinol (CBN), cannabidiol (CBD), cannabigerol (CBG), cannabidivarin (CBDV), Δ9-tetrahydrocannabivarin (THCV), and 11-nor-9-carboxy-Δ9-tetrahydrocannabivarin (THCV-COOH) was developed and validated in human urine and plasma...
June 19, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28639769/-heart-and-sport
#15
Vincent Gabus, Pierre Monney
Physical activity is beneficial for health and the cardiovascular risk profile. However, it can be dangerous in people with cardiac disease that might be asymptomatic. Individuals of all ages and all levels engage in sporting activities. The medical approach is different whether one evaluates a young competitive athlete, a sedentary adult who wants to start a recreational sport or a patient with heart disease who wishes to engage in sport. This article summarizes the various recommendations on the subject.
May 24, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28639040/mobile-gastrointestinal-and-endoscopic-surgery-in-rural-ecuador-20%C3%A2-years-experience-of-cinterandes
#16
H T Shalabi, M D Price, S T Shalabi, E B Rodas, A L Vicuña, B Guzhñay, R R Price, E Rodas
INTRODUCTION: Five billion people worldwide do not have timely access to surgical care. Cinterandes is one of the only mobile surgical units in low- and middle-income countries. This paper examines the methodology that Cinterandes uses to deliver mobile surgery. METHODS: Founding and core staff were interviewed, four missions were participated in, and internal documents and records were analysed between 1 May and 1 July 2014. RESULTS: Cinterandes performed 7641 operations over the last 20 years (60% gastrointestinal/laparoscopic), travelling 300,000 km to remote areas of Ecuador...
June 21, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28639027/first-detection-of-enteric-adenoviruses-genotype-41-in-recreation-spring-areas-of-taiwan
#17
Yi-Jia Shih, Chi-Wei Tao, Hsin-Chi Tsai, Wen-Chien Huang, Tung-Yi Huang, Jung-Sheng Chen, Yi-Chou Chiu, Tsui-Kang Hsu, Bing-Mu Hsu
Human adenoviruses (HAdVs) are DNA viruses found in recreational water, such as water parks and swimming pools. Human adenovirus 41 (HAdV-41) is the most common serotype detected and is a leading cause of acute diarrheal disease. The focus of this study is to determine the prevalence of HAdVs in hot springs. Of 57 samples collected from four different geological sites, 16 samples have shown evidence of HAdVs (28.1%). HAdV-41 and porcine adenovirus 5 (PAdV-5) were the two types isolated, with a greater frequency of HAdV-41, which in other settings has been associated with acute diarrhea...
June 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28638840/epidemiology-of-injuries-in-stand-up-paddle-boarding
#18
James Furness, Olayinka Olorunnife, Ben Schram, Mike Climstein, Wayne Hing
BACKGROUND: Stand-up paddle boarding (SUP) is a recreational activity and sport that has grown exponentially, with participation increasing from 1.1 million in 2010 to 2.8 million in 2014 in the United States alone. Despite this growth in participation, SUP remains underresearched with regard to injury epidemiology. PURPOSE: To investigate injury epidemiology (severity, location, type, mechanism) in SUP. STUDY DESIGN: Descriptive epidemiology study...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28638299/cannabinoids-in-pediatrics
#19
REVIEW
Christopher T Campbell, Marjorie Shaw Phillips, Kalen Manasco
Despite its controversial nature, the use of medical marijuana and cannabis-derived medicinal products grows more popular with each passing year. As of November 2016, over 40 states have passed legislation regarding the use of either medical marijuana or cannabidiol products. Many providers have started encountering patients experimenting with cannabis products for a wide range of conditions. While the debate continues regarding these agents for both medicinal and recreational use in the general population, special consideration needs to be made for pediatric use...
May 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28637596/y-balance-test-has-no-correlation-with-the-stability-index-of-the-biodex-balance-system
#20
Gabriel Peixoto Leão Almeida, Isabel Oliveira Monteiro, Débora Fortes Marizeiro, Laísa Braga Maia, Pedro Olavo de Paula Lima
STUDY DESIGN: A cross-sectional study design. BACKGROUND: The Stability Index of the Biodex Balance System (SI-BBS) and Y Balance Test (YBT) has been used in studies assessing postural stability but no studies have verified the association of the YBT with the SI-BBS. OBJECTIVE: To analyze the association of the Y Balance Test (YBT) with the Stability Index of the Biodex Balance System (SI-BBS) to evaluate postural stability. METHODS: Forty participants who engaged in recreational physical activities, 12 of whom had a history of injury to the lower limbs...
February 2017: Musculoskeletal Science & Practice
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