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https://www.readbyqxmd.com/read/28448904/support-for-marijuana-legalization-in-the-us-state-of-washington-has-continued-to-increase-through-2016
#1
Meenakshi Sabina Subbaraman, William C Kerr
BACKGROUND: Support for the legalization of recreational marijuana continues to increase across the United States and globally. In 2016, recreational marijuana was legalized in the most populous US state of California, as well as three other states. The primary aim of this study was to examine trends in support for recreational marijuana legalization in Washington, a state which has had legal recreational marijuana for almost four years, using data collected over the four years post-legalization...
April 19, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28448546/opium-use-during-pregnancy-and-risk-of-preterm-delivery-a-population-based-cohort-study
#2
Siavash Maghsoudlou, Sven Cnattingius, Scott Montgomery, Mohsen Aarabi, Shahriar Semnani, Anna-Karin Wikström, Shahram Bahmanyar
BACKGROUND: Use of narcotic or "recreational" drugs has been associated with adverse pregnancy outcomes such as preterm delivery. However, the associations might be confounded by other factors related to high-risk behaviours. This is the first study to investigate the association between traditional opium use during pregnancy and risk of preterm delivery. METHOD AND FINDINGS: We performed a population-based cohort study in the rural areas of the Golestan province, Iran between 2008 and 2010...
2017: PloS One
https://www.readbyqxmd.com/read/28448131/silk-resin-with-hydrated-dual-chemical-physical-crosslinks-achieves-high-strength-and-toughness
#3
Keiji Numata, Nao Ifuku, Hiroyasu Masunaga, Takaaki Hikima, Takamasa Sakai
Native silk fibers are known to demonstrate excellent mechanical properties such as high strength and ductility. However, regenerated silk material has not yet been used as a tough structural material in our everyday life. To recreate the mechanical properties with regenerated silk material, the network structure and hydration state of silk materials are studied and optimized in this study. This is the first to demosntrate the effect of chemial and physical crosslinks in hydrated and dehydrated silk materials, namely, silk hydrogels and resins...
April 27, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28448044/generation-of-ipsc-derived-human-brain-organoids-to-model-early-neurodevelopmental-disorders
#4
Elke Gabriel, Jay Gopalakrishnan
The restricted availability of suitable in vitro models that can reliably represent complex human brain development is a significant bottleneck that limits the translation of basic brain research into clinical application. While induced pluripotent stem cells (iPSCs) have replaced the ethically questionable human embryonic stem cells, iPSC-based neuronal differentiation studies remain descriptive at the cellular level but fail to adequately provide the details that could be derived from a complex, 3D human brain tissue...
April 14, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447466/results-of-a-randomized-trial-on-an-intervention-promoting-adoption-of-occupational-sun-protection-policies
#5
David B Buller, Barbara J Walkosz, Mary Klein Buller, Allan Wallis, Peter A Andersen, Michael D Scott, Rachel Eye, Xia Liu, Gary Cutter
PURPOSE: To evaluate an intervention promoting adoption of occupational sun protection policies by employers in a randomized trial. DESIGN: A randomized pretest-posttest controlled design with 2-year follow-up was conducted in 2010 to 2013. SETTING: Local government organizations in Colorado who had outdoor workers in public works, public safety, and/or parks and recreation. PARTICIPANTS: Ninety-eight local government organizations (n = 51 municipalities, 10 counties, and 37 special districts)...
January 1, 2017: American Journal of Health Promotion: AJHP
https://www.readbyqxmd.com/read/28447180/american-indian-knowledge-attitudes-and-beliefs-about-smokeless-tobacco-a-comparison-of-two-focus-group-studies
#6
Kathryn Rollins, Charley Lewis, Ryan Goeckner, Joseph Pacheco, T Edward Smith, Jason Hale, Sean Makosky Daley, Won S Choi, Christine Makosky Daley
Though smokeless tobacco (SLT) use has decreased in many communities, concern for American Indian (AI) SLT use remains, as this population continues to be disproportionally affected by SLT-related diseases. Tobacco has cultural significance to many AI tribes, therefore tobacco cessation messages portraying tobacco as entirely negative may be ineffective. As a part of our formative research for an SLT cessation intervention, we sought to gain a better understanding of the knowledge, attitudes, and beliefs about SLT among AI community members...
April 26, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28446939/management-of-uterine-artery-pseudoaneurysm-advanced-ultrasonography-imaging-and-laparoscopic-surgery-as-an-alternative-method-to-angio-computed-tomography-and-transarterial-embolization
#7
Michał Ciebiera, Aneta Słabuszewska-Jóźwiak, Kornelia Zaręba, Grzegorz Jakiel
Uterine artery pseudoaneurysms (UAP) are rare but potentially life-threatening lesions. They may occur after traumatic deliveries, cesarean sections, and other interventions. We present a case of a 39-year-old woman with a UAP. The patient was accurately diagnosed using ultrasound imaging, with subsequent diagnostic hysteroscopy and laparoscopic excision of the UAP. In the present case, a ligation of the artery branch was performed to provide accurate hemostasis during UAP dissection. The vascular lesion was partially enucleated and removed, followed by recreation of the previous uterine shape...
2017: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/28446388/medial-shoe-ground-pressure-and-specific-running-injuries-a-1-year-prospective-cohort-study
#8
René B K Brund, Sten Rasmussen, Rasmus O Nielsen, Uwe G Kersting, Uffe Laessoe, Michael Voigt
OBJECTIVES: Achilles tendinitis, plantar fasciopathy and medial tibial stress syndrome injuries (APM-injuries) account for approximately 25% of the total number of running injuries amongst recreational runners. Reports on the association between static foot pronation and APM-injuries are contradictory. Possibly, dynamic measures of pronation may display a stronger relationship with the risk of APM-injuries. Therefore, the purpose of the present study was to investigate if running distance until the first APM-injury was dependent on the foot balance during stance phase in recreational male runners...
April 15, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28445904/-are-there-sex-differences-regarding-ski-length-to-height-ratio-ski-length-to-weight-ratio-sidecut-radius-and-ski-boot-sole-abrasion-among-acl-injured-male-and-female-skiers
#9
Markus Posch, Gerhard Ruedl, Katja Tecklenburg, Kenneth Helle, Alois Schranz, Martin Burtscher
Introduction Female skiers suffer from knee injuries twice as much as male skiers, and the risk of an injury to the anterior cruciate ligament (ACL) is three times greater among females compared to males. The sex-specific ACL injury risk depends on internal (e. g. age, skiing skills, fitness level) and external (e. g. slope and weather conditions, ski equipment) factors. However, it is not clear whether male and female recreational skiers with an ACL injury differ regarding the sidecut radius and ski boot sole abrasion...
April 26, 2017: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/28445231/the-effects-of-multi-day-vs-single-pre-exercise-nitrate-supplement-dosing-on-simulated-cycling-time-trial-performance-and-skeletal-muscle-oxygenation
#10
Edward Jo, Michelle Fischer, Alexandra T Auslander, Alan Beigarten, Bruce Daggy, Ken Hansen, Lisa Kessler, Adam Osmond, Hong Wang, Rachel Wes
A transient augmentation in the metabolic efficiency of skeletal muscle is the purported basis for dietary nitrate supplementation amongst competitive and recreational athletes alike. Previous studies support the ergogenic effects of nitrate supplementation as findings indicated improved microvascular blood flow, exercise economy, and performance with relatively short-term supplementation. As with most ergogenic aids, the optimum duration of supplementation prior to performance or competition, i.e. loading phase, is a critical determinant for efficacy...
April 18, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28444332/mitochondrial-recombination-and-introgression-during-speciation-by-hybridization
#11
Jean-Baptiste Leducq, Mathieu Henault, Guillaume Charron, Lou Nielly-Thibault, Yves Terrat, Heather L Fiumera, B Jesse Shapiro, Christian R Landry
Genome recombination is a major source of genotypic diversity and contributes to adaptation and speciation following inter-species hybridization. The contribution of recombination in these processes has been thought to be largely limited to the nuclear genome because organelles are mostly uniparentally inherited in animals and plants, which prevents recombination. Unicellular eukaryotes such as budding yeasts do, however, transmit mitochondria bi-parentally, suggesting that during hybridization, both parents could provide alleles that contribute to mitochondrial functions such as respiration and metabolism in hybrid populations or hybrid species...
April 21, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28443614/cocaine-cue-induced-dopamine-release-in-recreational-cocaine-users
#12
Sylvia M L Cox, Yvonne Yau, Kevin Larcher, France Durand, Theodore Kolivakis, J Scott Delaney, Alain Dagher, Chawki Benkelfat, Marco Leyton
It has been proposed that the acquisition of drug seeking is related to the development of conditioned dopamine responses in the ventral striatum. As drug use continues and becomes habit-like, conditioned responses have been shown to shift to the dorsal striatum. Here, using the PET [(11)C]raclopride method and highly personalized cocaine cues, we report the first evidence in humans of the dorsal dopamine response prior to the onset of addiction.
April 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28441943/return-to-sports-after-plate-fixation-of-humeral-head-fractures-65-cases-with-minimum-24-month-follow-up
#13
Philipp Ahrens, Frank Martetschläger, Sebastian Siebenlist, Johann Attenberger, Moritz Crönlein, Peter Biberthaler, Ulrich Stöckle, Gunther H Sandmann
BACKGROUND: Humeral head fractures requiring surgical intervention are severe injuries, which might affect the return to sports and daily activities. We hypothesize that athletic patients will be constrained regarding their sporting activities after surgically treated humeral head fractures. Despite a long rehabilitation program physical activities will change and an avoidance of overhead activities will be noticed. METHODS: Case series with 65 Patients, with a minimum follow-up of 24 months participated in this study...
April 26, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28441760/supplementation-with-a-polyphenol-rich-extract-perfload-%C3%A2-improves-physical-performance-during-high-intensity-exercise-a-randomized-double-blind-crossover-trial
#14
Julien Cases, Cindy Romain, Cristian Marín-Pagán, Linda H Chung, José Miguel Rubio-Pérez, Caroline Laurent, Sylvie Gaillet, Emmanuelle Prost-Camus, Michel Prost, Pedro E Alcaraz
Workout capacity is energy-production driven. To produce peak metabolic power outputs, the organism predominantly relies more on anaerobic metabolism, but this undoubtedly has a negative and limiting impact on muscle function and performance. The aim of the study was to evaluate if an innovative polyphenol-based food supplement, PerfLoad(®), was able to improve metabolic homeostasis and physical performance during high-intensity exercises under anaerobic conditions. The effect of a supplementation has been investigated on fifteen recreationally-active male athletes during a randomized, double-blind and crossover clinical investigation...
April 24, 2017: Nutrients
https://www.readbyqxmd.com/read/28441229/preliminary-model-for-the-design-of-a-custom-middle-ear-prosthesis
#15
Brandon Kamrava, Jonathan A Gerstenhaber, Mamta Amin, Yah-El Har-El, Pamela C Roehm
HYPOTHESIS: Custom prostheses could be used to recreate the ossicular chain and improve hearing. BACKGROUND: Ossicular discontinuity or fixation occurs in 55% of cases of conductive hearing loss, with most cases involving the incus. Reconstruction has been achieved by a variety of methods; however, there has been little improvement in hearing outcomes in decades. METHODS: Precise measurements of anatomic dimensions, weight, and center of gravity were taken from 19 cadaveric incudes...
April 24, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28441176/long-term-nitrite-inhalant-exposure-and-cancer-risk-in-msm
#16
Anupriya Dutta, Hajime Uno, Alex Holman, David R Lorenz, Steven M Wolinsky, Dana Gabuzda
OBJECTIVES: Nitrite inhalants (poppers) are commonly used recreational drugs among MSM and were previously associated with elevated rates of high-risk sexual behavior, HIV and human herpesvirus type 8 (HHV-8) seroconversion, and transient immunosuppressive effects in experimental models. Whether long-term popper use is associated with cancer risk among MSM in the HAART era is unclear. DESIGN: Prospective cohort study of cancer risk in 3223 HIV-infected and uninfected MSM in the Multicenter AIDS Cohort Study from 1996-2010...
May 15, 2017: AIDS
https://www.readbyqxmd.com/read/28440191/cannabis-a-neurological-remedy-or-a-drug-of-abuse-in-india
#17
Pronit Biswas, Pooja Mishra, Devasish Bose, Abhilasha Durgbanshi
Since ancient times it is well documented the use of cannabis as a medicine due to its potential therapeutic activity while subsequently its use as drug of abuse spread increasingly. The present review sought to give an insight in the history of medical and recreational use of cannabis in India. Indian use of cannabis dates back to Vedic time, mostly for the ritualistic and religious purposed, as documented in the ancient literature. It was India that introduced the medical use of cannabis to neighboring countries...
April 23, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28439459/preliminary-observations-on-the-age-and-growth-of-dog-snapper-lutjanus-jocu-and-mahogany-snapper-lutjanus-mahogoni-from-the-southeastern-u-s
#18
Jennifer C Potts, Michael L Burton
Dog snapper (Lutjanus jocu Bloch and Schneider 1801) and mahogany snapper (Lutjanus mahogoni Cuvier 1828) are infrequently caught snappers in the southeastern U.S. primarily occurring off of southern Florida. The species were opportunistically sampled from commercial and recreational fisheries in the southeastern U.S. from 1979 to 2015. Fish were aged (56 dog snapper and 54 mahogany snapper) by counting opaque zones on sectioned sagittal otoliths. Otoliths of both species were easily interpretable and agreement between readers was acceptable...
2017: PeerJ
https://www.readbyqxmd.com/read/28439087/3d-microfluidic-model-for-evaluating-immunotherapy-efficacy-by-tracking-dendritic-cell-behaviour-toward-tumor-cells
#19
Stefania Parlato, Adele De Ninno, Rosa Molfetta, Elena Toschi, Debora Salerno, Arianna Mencattini, Giulia Romagnoli, Alessandra Fragale, Lorenzo Roccazzello, Maria Buoncervello, Irene Canini, Enrico Bentivegna, Mario Falchi, Francesca Romana Bertani, Annamaria Gerardino, Eugenio Martinelli, Corrado Natale, Rossella Paolini, Luca Businaro, Lucia Gabriele
Immunotherapy efficacy relies on the crosstalk within the tumor microenvironment between cancer and dendritic cells (DCs) resulting in the induction of a potent and effective antitumor response. DCs have the specific role of recognizing cancer cells, taking up tumor antigens (Ags) and then migrating to lymph nodes for Ag (cross)-presentation to naïve T cells. Interferon-α-conditioned DCs (IFN-DCs) exhibit marked phagocytic activity and the special ability of inducing Ag-specific T-cell response. Here, we have developed a novel microfluidic platform recreating tightly interconnected cancer and immune systems with specific 3D environmental properties, for tracking human DC behaviour toward tumor cells...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28438467/the-role-of-impulsivity-in-psychostimulant-and-stress-induced-dopamine-release-review-of-human-imaging-studies
#20
REVIEW
Wendy M Bosker, Irene Neuner, N Jon Shah
Drug addiction is a debilitating disorder and its pivotal problem is the high relapse rate. To solve this problem, the aim is to prevent people from becoming addicted in the first place. One of the key questions that is still unanswered is why some people become addicted to drugs and others, who take drugs regularly, do not. In recent years extensive research has been done to untangle the many factors involved in this disorder. Here, we review some of the factors that are related to dopamine, i.e., impulsivity and stress (hormones), and aim to integrate this into a neurobiological model...
April 21, 2017: Neuroscience and Biobehavioral Reviews
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