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Kelly Adamson, Lois Jackson, Jacqueline Gahagan
A complex array of intersecting social contextual factors are known to influence safer and/or unsafe practices among people who inject drugs. However, less is known about the social contextual factors that may specifically influence injection practices for young people who inject drugs. In this qualitative study, we explored with young people, ages 18-29, living in an urban centre in Nova Scotia, Canada, their perceptions and experiences of the social contextual factors that influence their safer and/or unsafe injection practices...
October 19, 2016: International Journal on Drug Policy
Louisa Gilbert, Tina Jiwatram-Negron, Danil Nikitin, Olga Rychkova, Tara McCrimmon, Irena Ermolaeva, Nadejda Sharonova, Aibek Mukambetov, Timothy Hunt
INTRODUCTION AND AIMS: Intimate partner violence (IPV) and other forms of gender-based violence (GBV) are serious public health threats among women who use drugs or engage in binge drinking in Kyrgyzstan. This study aimed to evaluate the feasibility and preliminary effects of a two-session IPV and GBV screening, brief intervention and referral to treatment model (WINGS) with HIV counselling and testing for women who use drugs or engage in binge drinking in Kyrgyzstan, using a pre/post-design...
October 22, 2016: Drug and Alcohol Review
S J Lain, C L Roberts, D M Bond, J Smith, J M Morris
OBJECTIVE: This study is an economic evaluation of immediate birth compared with expectant management in women with preterm prelabour rupture of the membranes near term (PPROMT). DESIGN: A cost-effectiveness analysis alongside the PPROMT randomised controlled trial. SETTING: Obstetric departments in 65 hospitals across 11 countries. POPULATION: Women with a singleton pregnancy with ruptured membranes between 34(+0) and 36(+6) weeks gestation...
October 21, 2016: BJOG: An International Journal of Obstetrics and Gynaecology
Xisca Sureda, Joan R Villalbí, Albert Espelt, Manuel Franco
Harmful use of alcohol is one of the world's leading health risks. A positive association between certain characteristics of the urban environment and individual alcohol consumption has been documented in previous research. When developing a tool characterising the urban environment of alcohol in the cities of Barcelona and Madrid we observed that alcohol is ever present in our cities. Urban residents are constantly exposed to a wide variety of alcohol products, marketing and promotion and signs of alcohol consumption...
October 18, 2016: Gaceta Sanitaria
Simon Tarp, Daniel E Furst, Anna Dossing, Mikkel Østergaard, Tove Lorenzen, Michael S Hansen, Jasvinder A Singh, Ernest H Choy, Maarten Boers, Maria E Suarez-Almazor, Lars E Kristensen, Henning Bliddal, Robin Christensen
OBJECTIVES: To summarize and compare the benefits and harms of biological agents used as monotherapy for rheumatoid arthritis (RA) in order to inform decisions for patients who are intolerant to conventional DMARD therapy. METHODS: We searched MEDLINE, EMBASE, CENTRAL, and other sources for randomised trials that compared biological monotherapy with methotrexate, placebo, or other biological monotherapies. Primary outcomes were ACR50 and the number of patients who discontinued due to adverse events...
September 14, 2016: Seminars in Arthritis and Rheumatism
Jahir Orozco, Elisa Villa, Carmem-Lara Manes, Linda K Medlin, Delphine Guillebault
Harmful algal blooms (HABs) are becoming more frequent as climate changes, with tropical species moving northward. Monitoring programs detecting the presence of toxic algae before they bloom are of paramount importance to protect aquatic ecosystems, aquaculture, human health and local economies. Rapid and reliable species identification methods using molecular barcodes coupled to biosensor detection tools have received increasing attention over the past decade as an alternative to the impractical standard microscopic counting-based techniques...
December 1, 2016: Talanta
Deepika Garg, Zaher Merhi
BACKGROUND: Women with PCOS have elevated levels of the harmful Advanced Glycation End Products (AGEs), which are highly reactive molecules formed after glycation of lipids and proteins. Additionally, AGEs accumulate in the ovaries of women with PCOS potentially contributing to the well-documented abnormal steroidogenesis and folliculogenesis. MAIN BODY: A systematic review of articles and abstracts available in PubMed was conducted and presented in a systemic manner...
October 21, 2016: Reproductive Biology and Endocrinology: RB&E
Anne-Sophie Dumas, Ludivine Taconnat, Evangelos Barbas, Guillem Rigaill, Olivier Catrice, Delphine Bernard, Abdelilah Benamar, David Macherel, Abdelhak El Amrani, Richard Berthomé
BACKGROUND: Higher plants have to cope with increasing concentrations of pollutants of both natural and anthropogenic origin. Given their capacity to concentrate and metabolize various compounds including pollutants, plants can be used to treat environmental problems - a process called phytoremediation. However, the molecular mechanisms underlying the stabilization, the extraction, the accumulation and partial or complete degradation of pollutants by plants remain poorly understood. RESULTS: Here, we determined the molecular events involved in the early plant response to phenanthrene, used as a model of polycyclic aromatic hydrocarbons...
October 21, 2016: BMC Genomics
Ingrid Broodman, Jan Lindemans, Jenny van Sten, Rainer Bischoff, Theo M Luider
Lung cancer has the highest mortality rate among cancer patients in the world, in particular because most patients are only diagnosed at an advanced and non-curable stage. Computed tomography (CT) screening on high-risk individuals has shown that early detection could reduce the mortality rate. However, the still high false-positive rate of CT screening may harm healthy individuals because of unnecessary follow-up scans and invasive follow-up procedures. Alternatively, false-negative and indeterminate results may harm patients due to the delayed diagnosis and treatment of lung cancer...
October 21, 2016: Journal of Proteome Research
John Stogner, Julia A Martinez, Bryan Lee Miller, Kenneth J Sher
BACKGROUND: Underage college students who obtain and use false identification (fake ID) are at risk for negative outcomes. However, it is currently unclear how uniquely the fake ID itself serves as a vehicle to subsequent harm (i.e., the "fake ID effect") over and above general and trait-related risk factors (e.g., deviant peers, low self-control). METHODS: To investigate whether the "fake ID effect" would hold after accounting for phenotypic risk, we utilized propensity score matching (PSM) in a cross-sectional sample of 1,454 students, and a longitudinal replication sample of 3,720 undergraduates...
October 21, 2016: Alcoholism, Clinical and Experimental Research
Douglas B Sponsler, Reed M Johnson
The role of pesticides in recent honey bee losses is controversial, partly because field studies often fail to detect effects predicted by laboratory studies. This dissonance highlights a critical gap in the field of honey bee toxicology: there exists little mechanistic understanding of the patterns and processes of exposure that link honey bees to pesticides in their environment. We submit that 2 key processes underlie honey bee pesticide exposure: (1) the acquisition of pesticide by foraging bees and (2) the in-hive distribution of pesticide returned by foragers...
October 21, 2016: Environmental Toxicology and Chemistry
Mair Underwood
BACKGROUND: As a result of the mainstreaming of bodybuilding, the majority of image and performance enhancing drug (IPED) users are now not athletes or competitive bodybuilders, but recreational bodybuilders. Previous approaches provide little insight into how the shift from competitive to recreational contexts impacts the use of IPEDs. METHODS: In this study an online ethnographic approach is used to explore the social lives of IPEDs in a recreational context. The study focusses on the Zyzz fandom, an international online community of thousands of recreational bodybuilders who idolise the alleged IPED user Zyzz...
October 18, 2016: International Journal on Drug Policy
Sanna Rönkä, Anu Katainen
BACKGROUND: The non-medical use of prescription drugs is a growing phenomenon associated with increasing health-related harms. However, little is known about the drivers of this process among illicit drug users. Our aim is to show how the qualities of pharmaceutical drugs, pharmaceutical related knowledge, online communities sharing this knowledge and medical professionals mediate and transform the consumption behaviour related to pharmaceutical drugs. METHODS: The data consist of discussion threads from an online drug use forum...
October 18, 2016: International Journal on Drug Policy
Alexa A Lopez, Marzena Hiler, Sarah Maloney, Thomas Eissenberg, Alison B Breland
BACKGROUND: Novel tobacco products entering the US market include electronic cigarettes (ECIGs) and products advertised to "heat, not burn" tobacco. There is a growing literature regarding the acute effects of ECIGs. Less is known about "heat, not burn" products. This study's purpose was to expand existing clinical laboratory methods to examine, in cigarette smokers, the acute effects of a "heat, not burn" "loose-leaf tobacco vaporizer" (LLTV). METHODS: Plasma nicotine and breath carbon monoxide (CO) concentration and tobacco abstinence symptom severity were measured before and after two 10-puff (30-s interpuff interval) product use bouts separated by 60min...
October 11, 2016: Drug and Alcohol Dependence
Simon M Wilksch, Susan J Paxton, Susan M Byrne, S Bryn Austin, Anne O'Shea, Tracey D Wade
OBJECTIVE: To investigate if baseline shape and weight concern (SWC) moderated outcomes in Prevention Across the Spectrum, a randomized-controlled trial (RCT) of 3 school-based programs aimed at reducing eating disorder and obesity risk factors. METHOD: N = 1,316 Grade 7 and 8 girls and boys (M age = 13.21 years) across three Australian states were randomly allocated to: Media Smart; Life Smart; Helping, Encouraging, Listening and Protecting Peers Initiative (HELPP) or control (usual school class)...
October 21, 2016: International Journal of Eating Disorders
Hardeep Singh, Mark L Graber, Timothy P Hofer
Timely and accurate diagnosis is foundational to good clinical practice and an essential first step to achieving optimal patient outcomes. However, a recent Institute of Medicine report concluded that most of us will experience at least one diagnostic error in our lifetime. The report argues for efforts to improve the reliability of the diagnostic process through better measurement of diagnostic performance. The diagnostic process is a dynamic team-based activity that involves uncertainty, plays out over time, and requires effective communication and collaboration among multiple clinicians, diagnostic services, and the patient...
October 20, 2016: Journal of Patient Safety
Gijsbert D Musters, Charlotte E L Klaver, Robbert J I Bosker, Jacobus W A Burger, Peter van Duijvendijk, Boudewijn van Etten, Anna A W van Geloven, Eelco J R de Graaf, Christiaan Hoff, Jeroen W A Leijtens, Harm J T Rutten, Baljit Singh, Ronald J C L M Vuylsteke, Johannes H W de Wilt, Marcel G W Dijkgraaf, Willem A Bemelman, Pieter J Tanis
OBJECTIVE: To determine the effect of biological mesh closure on perineal wound healing after extralevator abdominoperineal resection (eAPR). BACKGROUND: Perineal wound complications frequently occur after eAPR with preoperative radiotherapy for rectal cancer. Cohort studies have suggested that biological mesh closure of the pelvic floor improves perineal wound healing. METHODS: Patients were randomly assigned to primary closure (standard arm) or biological mesh closure (intervention arm)...
September 20, 2016: Annals of Surgery
Nina Holland
Environmental research and public health in the 21st century face serious challenges such as increased air pollution and global warming, widespread use of potentially harmful chemicals including pesticides, plasticizers, and other endocrine disruptors, and radical changes in nutrition and lifestyle typical of modern societies. In particular, exposure to environmental and occupational toxicants may contribute to the occurrence of adverse birth outcomes, neurodevelopmental deficits, and increased risk of cancer and other multifactorial diseases such as diabetes and asthma...
October 21, 2016: Reviews on Environmental Health
Jesús Ignacio Mendieta-Moreno, Daniel G Trabada, Jesus Mendieta, James P Lewis, Paulino Gómez-Puertas, Jose Ortega
The absorption of ultraviolet radiation by DNA may result in harmful genetic lesions that affect DNA replication and transcription, ultimately causing mutations, cancer and/or cell death. We analyze the most abundant photochemical reaction in DNA, the cyclobutane thymine dimer, using hybrid quantum mechanics / molecular mechanics (QM/MM) techniques and QM/MM nonadiabatic molecular dynamics. We find that, due to its double helix structure, DNA presents a free energy barrier between non-reactive and reactive conformations leading to the photolesion...
October 21, 2016: Journal of Physical Chemistry Letters
Kathryn L Kreicher, Jeremy S Bordeaux
Importance: Cutaneous surgery is performed by otolaryngologists, plastic surgeons, oculoplastic surgeons, dermatologic surgeons, and some primary care physicians. Practice gaps exist among cutaneous surgeons, as do differences in how different physicians approach preoperative, intraoperative, and postoperative decision-making. Objective: To present the newest and best evidence to close common practice gaps in cutaneous surgery. Evidence Review: We performed a detailed search of peer-reviewed publications that were identified through a search of PubMed/MEDLINE (January 1, 2000, through June 30, 2016) using the literature search terms "cutaneous surgery," "Mohs micrographic surgery," "plastic surgery," in combination with "safety," "cost," "anesthesia," "anti-coagulation," "bleeding," "pain," "analgesia," "anxiety," or "infection," among others...
October 20, 2016: JAMA Facial Plastic Surgery
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