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https://www.readbyqxmd.com/read/28078196/prosthetic-jamming-terminal-device-a-case-study-of-untethered-soft-robotics
#1
Nadia Cheng, John Amend, Todd Farrell, Debra Latour, Carlos Martinez, Jen Johansson, Anthony McNicoll, Marek Wartenberg, Samuel Naseef, William Hanson, William Culley
This article illuminates the major and often overlooked challenge of untethering soft robotic systems through the context of recent work, in which soft robotic gripper technology enabled by jamming of granular media was applied to a prosthetic jamming terminal device (PJTD). The PJTD's technical and market feasibility was evaluated in a pilot study with two upper-limb amputees. A PJTD prototype was tested against a commercial device (Motion Control electric terminal service with a one degree-of-freedom pinching mechanism) using two existing hand function tests: the first quantified the device's speed in picking and placing small blocks and the second evaluated a person's ability to perform activities of daily living (ADLs)...
December 1, 2016: Soft Robotics
https://www.readbyqxmd.com/read/28057079/prevalence-and-factors-associated-with-use-of-khat-a-survey-of-patients-entering-hiv-treatment-programs-in-ethiopia
#2
Alan R Lifson, Sale Workneh, Tibebe Shenie, Desalegn Admassu Ayana, Zenebe Melaku, Lemlem Bezabih, Hiwot Tekle Waktola, Behailu Dagne, Rose Hilk, Ken C Winters, Lucy Slater
BACKGROUND: Khat, a plant native to East Africa, has psychoactive constituents similar to amphetamine. Chronic khat use can lead to psychological dependence with multiple physical and mental health harms, complicating clinical management of people living with HIV. In two Ethiopian cities where khat is common, we evaluated prevalence and correlates of khat use among patients new to HIV care. METHODS: During 2013-2014, we surveyed 322 patients recently enrolled in HIV clinics in Dire Dawa and Harar about khat use, demographics, smoking and alcohol use, clinical illness, food insecurity, and social support...
January 6, 2017: Addiction Science & Clinical Practice
https://www.readbyqxmd.com/read/28033503/negative-consequences-from-heavy-social-networking-in-adolescents-the-mediating-role-of-fear-of-missing-out
#3
Ursula Oberst, Elisa Wegmann, Benjamin Stodt, Matthias Brand, Andrés Chamarro
Social networking sites (SNS) are especially attractive for adolescents, but it has also been shown that these users can suffer from negative psychological consequences when using these sites excessively. We analyze the role of fear of missing out (FOMO) and intensity of SNS use for explaining the link between psychopathological symptoms and negative consequences of SNS use via mobile devices. In an online survey, 1468 Spanish-speaking Latin-American social media users between 16 and 18 years old completed the Hospital Anxiety and Depression Scale (HADS), the Social Networking Intensity scale (SNI), the FOMO scale (FOMOs), and a questionnaire on negative consequences of using SNS via mobile device (CERM)...
December 26, 2016: Journal of Adolescence
https://www.readbyqxmd.com/read/28032564/wearing-lead-aprons-in-surgical-operating-rooms-ergonomic-injuries-evidenced-by-infrared-thermography
#4
Dominique Alexandre, Marc Prieto, Fabien Beaumont, Redha Taiar, Guillaume Polidori
BACKGROUND: The purpose of this study is to quantify the impact of the weight of radiation protection lead aprons on the discomfort and the fatigue of the medical staff within an operating room of interventional gastroenterology. To quantify this fatigue, we analyzed variations of the physiological parameters, including heart rate, blood pressure, and cutaneous temperature; we compared two situations: the first within the classic endoscopy department (without apron) and the second within the operating room with apron...
November 2, 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/28024188/longitudinal-patterns-of-marijuana-use-across-ages-18-50-in-a-us-national-sample-a-descriptive-examination-of-predictors-and-health-correlates-of-repeated-measures-latent-class-membership
#5
Yvonne M Terry-McElrath, Patrick M O'Malley, Lloyd D Johnston, Bethany C Bray, Megan E Patrick, John E Schulenberg
BACKGROUND: This descriptive study identified latent classes of longitudinal marijuana use from ages 18 through 50 among a national sample; examined covariate associations with class membership regarding use/non-use, use intensity, and use duration; and described associations between identified latent classes and age 50 health outcomes. METHODS: The study involved collection and primary analysis of data from 9831 individuals first surveyed as 12th graders in the national Monitoring the Future study and followed through modal age 50...
November 24, 2016: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28018591/characterization-of-heavy-users-of-skin-care-products-among-norwegian-women-from-2003-to-2011
#6
Boel Aniansson, Marit B Veierød, Charlotta Rylander, Eiliv Lund, Torkjel M Sandanger
BACKGROUND: Several ingredients in personal care products (PCPs) have been classified as endocrine disruptors (EDs) and concern has been raised whether use of PCPs can affect human health. We aimed to characterize Norwegian female users of skin care products and compare life style characteristics between heavy users and non-users. METHODS: This cross-sectional study consisted of 114 202 women (age 41-76 years) participating in the Norwegian Women and Cancer study, a large population-based prospective cohort study...
2016: Archives of Public Health, Archives Belges de Santé Publique
https://www.readbyqxmd.com/read/28009574/p13-the-embl-macromolecular-crystallography-beamline-at-the-low-emittance-petra-iii-ring-for%C3%A2-high-and-low-energy-phasing-with-variable-beam-focusing
#7
Michele Cianci, Gleb Bourenkov, Guillaume Pompidor, Ivars Karpics, Johanna Kallio, Isabel Bento, Manfred Roessle, Florent Cipriani, Stefan Fiedler, Thomas R Schneider
The macromolecular crystallography P13 beamline is part of the European Molecular Biology Laboratory Integrated Facility for Structural Biology at PETRA III (DESY, Hamburg, Germany) and has been in user operation since mid-2013. P13 is tunable across the energy range from 4 to 17.5 keV to support crystallographic data acquisition exploiting a wide range of elemental absorption edges for experimental phase determination. An adaptive Kirkpatrick-Baez focusing system provides an X-ray beam with a high photon flux and tunable focus size to adapt to diverse experimental situations...
January 1, 2017: Journal of Synchrotron Radiation
https://www.readbyqxmd.com/read/28008690/heavy-alcohol-use-in-adolescence-is-associated-with-altered-cortical-activity-a-combined-tms-eeg-study
#8
Outi Kaarre, Elisa Kallioniemi, Mervi Könönen, Tommi Tolmunen, Virve Kekkonen, Petri Kivimäki, Noora Heikkinen, Florinda Ferreri, Eila Laukkanen, Sara Määttä
Long-term alcohol use affects cognitive and neurophysiological functioning as well as structural brain development. Combining simultaneous electroencephalogram (EEG) recording with transcranial magnetic stimulation (TMS) enables direct, in vivo exploration of cortical excitability and assessment of effective and functional connectivity. In the central nervous system, the effects of alcohol are particularly mediated by alterations in gamma-aminobutyric acid (GABA)ergic neurotransmission, and TMS-evoked potentials (TEPs) N45 and N100 in EEG are known to reflect GABAergic function...
December 23, 2016: Addiction Biology
https://www.readbyqxmd.com/read/28001962/benzodiazepine-dependence-among-young-adult-participants-in-the-club-scene-who-use-drugs
#9
Steven P Kurtz, Mance E Buttram, Hilary L Surratt
Young adults ages 18-29 report the highest rates of benzodiazepine (BZD) misuse in the United States. The majority of club drug users are also in this age group, and BZD misuse is prevalent among participants in club scenes. This article examines BZD dependence and its correlates among young adult participants in the electronic dance music (EDM) culture in Miami, Florida, who use drugs. Structured interviews were with men and women (N = 356) ages 18 to 29 who reported regular attendance at EDM venues and recent use of both club drugs and BZDs...
December 21, 2016: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28000973/quality-of-life-and-recreational-cannabis-use
#10
REVIEW
Matthew Goldenberg, Waguih William IsHak, Itai Danovitch
INTRODUCTION: Cannabis is now the most commonly used illicit drug in the United States and use is increasing. Frequent cannabis use has been associated with adverse social and health effects. We sought to evaluate the relationship between recreational cannabis use and Quality of Life (QoL), a person-centered measure that characterizes the overall sense of health and wellbeing. We hypothesized that QoL would be unchanged or increased among recreational cannabis users, who did not meet criteria for a Cannabis Use Disorder (CUD) and that QoL would be lower among those who met criteria for a CUD...
January 2017: American Journal on Addictions
https://www.readbyqxmd.com/read/27996310/severity-of-alcohol-dependence-is-negatively-related-to-hypothalamic-and-prefrontal-cortical-gray-matter-density-in-heavy-drinking-smokers
#11
Kyle Bullock, Anita Cservenka, Lara A Ray
BACKGROUND: While research has examined brain structure in individuals who use alcohol or nicotine, heavy drinking smokers comprise a unique subpopulation of substance users for whom less is known about the relationship between alcohol or nicotine use and structural brain abnormalities. OBJECTIVES: The present study examined gray matter morphometry in a sample of 39 heavy drinking smokers (24 males, 15 females) in relation to alcohol and nicotine dependence and quantity of use...
December 20, 2016: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/27968886/recreational-drug-use-among-chinese-msm-results-from-a-national-wide-cross-sectional-study
#12
Peizhen Zhao, Songyuan Tang, Cheng Wang, Ye Zhang, John Best, Shujie Huang, Bin Yang, Chongyi Wei, Weiming Tang, Joseph D Tucker
BACKGROUND: In the past decade, recreational drug use has considerably increased among Chinese men who have sex with men (MSM). This increase has a great potential to worsen the scenario of the heavy burden of HIV among Chinese MSM. This study aimed to investigate the prevalence of recreational drug use, and to explore the association between poppers use and testing history for HIV or STIs, gay app use, and other sexual behaviours. METHODS: We recruited MSM who were born male and were aged 16 years or older through a nation-wide online survey in 2014...
October 2016: Lancet
https://www.readbyqxmd.com/read/27967278/validity-sensitivity-reproducibility-and-robustness-of-the-powertap-stages-and-garmin-vector-power-meters-in-comparison-with-the-srm-device
#13
Anthony Bouillod, Julien Pinot, Georges Soto-Romero, William Bertucci, Frederic Grappe
: A large number of power meters were produced on the market for nearly 20 years and according to user requirements. PURPOSE: This study aimed to determine the validity, sensitivity, reproducibility and robustness of the Powertap (PWT), Stages (STG) and Garmin Vector (VCT) power meters in comparison with the SRM device. METHODS: A national-level male competitive cyclist was required to complete three laboratory cycling tests that included a sub-maximal incremental test, a sub-maximal 30-min continuous test and a sprint test...
December 14, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27942448/brain-connectivity-aberrations-in-anabolic-androgenic-steroid-users
#14
Lars T Westlye, Tobias Kaufmann, Dag Alnæs, Ingunn R Hullstein, Astrid Bjørnebekk
Sustained anabolic-androgenic steroid (AAS) use has adverse behavioral consequences, including aggression, violence and impulsivity. Candidate mechanisms include disruptions of brain networks with high concentrations of androgen receptors and critically involved in emotional and cognitive regulation. Here, we tested the effects of AAS on resting-state functional brain connectivity in the largest sample of AAS-users to date. We collected resting-state functional magnetic resonance imaging (fMRI) data from 151 males engaged in heavy resistance strength training...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27940486/moist-smokeless-tobacco-snus-use-and-risk-of-parkinson-s-disease
#15
Fei Yang, Nancy L Pedersen, Weimin Ye, Zhiwei Liu, Margareta Norberg, Lars Forsgren, Ylva Trolle Lagerros, Rino Bellocco, Lars Alfredsson, Anders Knutsson, Jan-Håkan Jansson, Patrik Wennberg, Maria Rosaria Galanti, Anton C J Lager, Marzieh Araghi, Michael Lundberg, Cecilia Magnusson, Karin Wirdefeldt
BACKGROUND: Cigarette smoking is associated with a lower risk of Parkinson's disease. It is unclear what constituent of tobacco smoke may lower the risk. Use of Swedish moist smokeless tobacco (snus) can serve as a model to disentangle what constituent of tobacco smoke may lower the risk. The aim of this study was to determine whether snus use was associated with a lower risk of Parkinson's disease. METHODS: Individual participant data were collected from seven prospective cohort studies, including 348 601 men...
December 10, 2016: International Journal of Epidemiology
https://www.readbyqxmd.com/read/27936816/altered-subjective-reward-valuation-among-female-heavy-marijuana-users
#16
Kathryn R Hefner, Mark J Starr
Maladaptive decision-making is a cardinal feature of drug use, contributing to ongoing use, and reflecting alterations in how drug users assess uncertain reward value. Accumulating evidence indicates the consequences of heavy marijuana use are worse for female versus male animals and humans, but research assessing sex differences in reward-related decision-making among marijuana users remains scarce. We examined sex differences in the subjective valuation of certain and uncertain rewards among heavy marijuana users (52; 26 male and 26 female) and controls (52; 26 male and 26 female)...
December 12, 2016: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/27936376/peer-network-counseling-as-brief-treatment-for-urban-adolescent-heavy-cannabis-users
#17
Michael J Mason, Roy Sabo, Nikola M Zaharakis
OBJECTIVE: A small body of evidence supports targeting adolescents who are heavy users of cannabis with brief interventions, yet more research is needed to confirm the effectiveness of these studies. We conducted a secondary analysis of our Peer Network Counseling (PNC) study (Mason et al., 2015), focusing on 46 adolescents of the sample of 119 who reported heavy cannabis use at baseline. METHOD: Urban adolescents (91% African American) presenting for primary health care were randomized to intervention or control conditions and followed for 6 months...
January 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/27925217/things-online-social-networking-can-take-away-reminders-of-social-networking-sites-undermine-the-desirability-of-offline-socializing-and%C3%A2-pleasures
#18
Shiang-Shiang Li, Yevvon Yi-Chi Chang, Wen-Bin Chiou
People are beginning to develop symbiotic relationships with social networking sites (SNSs), which provide users with abundant opportunities for social interaction. We contend that if people perceive SNSs as sources of social connection, the idea of SNSs may reduce the desire to pursue offline social activities and offline pleasures. Experiment 1 demonstrated that priming with SNSs was associated with a weakened desirability of offline social activities and an increased inclination to work alone. Felt relatedness mediated the link between SNS primes and reduced desire to engage in offline social activities...
December 7, 2016: Scandinavian Journal of Psychology
https://www.readbyqxmd.com/read/27921360/mortality-in-patients-who-discontinue-low-dose-acetylsalicylic-acid-therapy-after-upper-gastrointestinal-bleeding
#19
Antonio González-Pérez, María Eugenia Sáez, Saga Johansson, Péter Nagy, Luis A García Rodríguez
PURPOSE: Discontinuing low-dose acetylsalicylic acid (ASA) therapy after upper gastrointestinal bleeding (UGIB) may increase the risk of cardiovascular-related death. Our aim was to compare mortality in UK primary care patients who discontinue ASA after UGIB with that in patients who continue therapy. METHODS: ASA users at the time of UGIB and who were alive 30 days after were selected using The Health Improvement Network. Predictors of survival were assessed using adjusted Cox proportional hazards regression models...
December 6, 2016: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/27913372/an-ehealth-project-on-invasive-pneumococcal-disease-comprehensive-evaluation-of-a-promotional-campaign
#20
Donatella Panatto, Alexander Domnich, Roberto Gasparini, Paolo Bonanni, Giancarlo Icardi, Daniela Amicizia, Lucia Arata, Stefano Carozzo, Alessio Signori, Angela Bechini, Sara Boccalini
BACKGROUND: The recently launched Pneumo Rischio eHealth project, which consists of an app, a website, and social networking activity, is aimed at increasing public awareness of invasive pneumococcal disease (IPD). The launch of this project was prompted by the inadequate awareness of IPD among both laypeople and health care workers, the heavy socioeconomic burden of IPD, and the far from optimal vaccination coverage in Italy, despite the availability of safe and effective vaccines. OBJECTIVE: The objectives of our study were to analyze trends in Pneumo Rischio usage before and after a promotional campaign, to characterize its end users, and to assess its user-rated quality...
December 2, 2016: Journal of Medical Internet Research
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