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Substance use

Margaret L Griffin, Katherine A McDermott, R Kathryn McHugh, Garrett M Fitzmaurice, Roger D Weiss
BACKGROUND AND OBJECTIVES: Grit is an emerging concept in positive psychology, defined as the ability to be persistent and focused in pursuit of long-term goals. This concept has received a great deal of interest recently because of its robust ability to predict success and well-being across a wide variety of domains. The study aim was to examine the clinical relevance of the construct of grit among patients with substance use disorders. METHODS: Inpatients on a detoxification unit were enrolled from September 2013 to August 2015 (N = 673)...
October 19, 2016: American Journal on Addictions
Susan E Luczak, Rubin Khoddam, Sheila Yu, Tamara L Wall, Anna Schwartz, Steve Sussman
BACKGROUND AND OBJECTIVES: We conducted a review of the prevalence and co-occurrence of 12 types of addictions in US ethnic/racial groups and discuss the implications of the results for genetic research on addictions. METHODS: We utilized MEDLINE and PsycINFO databases to review the literature on alcohol, tobacco, marijuana, illicit drugs, gambling, eating/food, internet, sex, love, exercise, work, and shopping. We present results for each addiction based on total US prevalence, prevalence within ethnic groups, and co-occurrence of addictions among ethnic groups when available...
October 19, 2016: American Journal on Addictions
Francisco Javier Del Río, Francisco Cabello-Santamaría, Marina A Cabello-García, Jerónimo Aragón-Vela
BACKGROUND: The impact of pain in sexuality, couple relationships and the quality of life is very well known. OBJECTIVES: The relationship between substance abuse and the presence of sexual pain disorder is assessed, together with anxiety and sexual attitudes . METHOD: Two samples were selected. One sample for women with a history of substance abuse (n = 129), and another one of women nonconsumers (n = 129). The Golombok Rust Inventory of Sexual Satisfaction (GRISS), the Sexual Opinion Survey (SOS) and the State Trait Anxiety Inventory (STAI) questionnaires were used...
October 19, 2016: Substance Use & Misuse
Neal Krause, Kenneth I Pargament, Gail Ironson, Peter Hill
BACKGROUND: Research indicates that greater involvement in religion is associated with lower rates of substance use and misuse. However, religion is a complex construct that can be assessed in many ways. The purpose of this study is to explore a dimension of religion that has not been evaluated in previous research on poly-drug use: a religious sense of meaning in life. OBJECTIVES: It is hypothesized that a religious sense of meaning in life will offset (i.e., moderate) the effects of chronic financial strain on poly-drug use...
October 19, 2016: Substance Use & Misuse
Jeremy T Goldbach, Ethan H Mereish, Claire Burgess
BACKGROUND: Prescription drug, e-cigarette, smokeless tobacco, and synthetic marijuana use has risen dramatically in the United States over the past decade. OBJECTIVES: This paper investigates the use of risky substances among adolescents, and examines disparities between sexual minority (i.e., mostly heterosexual and lesbian, gay, bisexual; LGB) and heterosexual adolescents in use of novel and emerging substances. Given the public health risk and the imminence of these substances in the media, emerging drug use was examined in a county wide sample of adolescents in a Southern state...
October 19, 2016: Substance Use & Misuse
Mark Haden, John R H Archer, Paul I Dargan, David M Wood
BACKGROUND: MDMB-CHMICA (methyl 2-[[1-(cyclohexylmethyl)indole-3-carbonyl]amino]-3,3-dimethylbutanoate) is a synthetic cannabinoid receptor agonist that has been detected in several recreational drug products in Europe since August 2014. OBJECTIVES: This article aims to describe the prevalence of use, availability, and desired and adverse effects of MDMB-CHMICA. METHODS: Data were collated from published scientific literature, and systematic searches were conducted of publically available Internet sources (the "gray literature"), including websites offering to sell MDMB-CHMICA and Internet discussion forums featuring user reports...
October 19, 2016: Substance Use & Misuse
David R Hodge, Christopher P Salas-Wright, Michael G Vaughn
BACKGROUND: The homeschool population continues to grow in size and now accounts for 3.4% of all students in the United States. OBJECTIVE: Given the heterogeneous nature of the population, this study examines the relationship between different types of homeschoolers and a number of substance use related outcomes. METHODS: To conduct this study, we used pooled data (2002-2013) from the National Survey on Drug Use and Health (NSDUH). Respondents aged 12-17 who reported they had been homeschooled at any time during the previous 12 months were classified as homeschoolers (N = 1,321)...
October 19, 2016: Substance Use & Misuse
Zhen Yang, Andreas Kappler, Jie Jiang
Humic substances (HS) are redox-active organic compounds with a broad spectrum of molecular sizes and reducing capacities, i.e. number of electrons donated or accepted. However, it is unknown which role the distribution of redox-active functional groups in different molecule sizes plays for HS redox reactions in varying pore sizes micro-environments. We used dialysis experiments to separate bulk humic acids (HA) into low molecular weight fractions (LMWF) and retentate, e.g. the remaining HA in the dialysis bag...
October 19, 2016: Environmental Science & Technology
I Kafantaris, B Kotsampasi, V Christodoulou, E Kokka, P Kouka, Z Terzopoulou, K Gerasopoulos, D Stagos, C Mitsagga, I Giavasis, S Makri, K Petrotos, D Kouretas
Grape pomace is a by-product of winemaking process and rich in bioactive compounds such as plant polyphenols having antioxidant and antimicrobial activities. As known, oxidative stress may cause a number of pathological conditions in farm animals and thus affecting animal welfare and production. Moreover, pathogenic bacteria affect animals' health status. Thus, the objective of this study was to investigate whether lambs' feed supplemented with grape pomace enhances the antioxidant mechanisms and reduces the growth of pathogenic bacteria...
October 18, 2016: Journal of Animal Physiology and Animal Nutrition
Paul Rohde, Eric Stice, Jeff M Gau
OBJECTIVE: The study aimed to identify variables that predicted persistence versus desistence of eating disorder-related compensatory behaviors in a high-risk factor sample of women who reported repeated compensatory behaviors at baseline. Data came from a randomized trial evaluating two brief obesity prevention interventions for college students with weight concerns. METHOD: Two hundred and sixty one young women (Mean age = 19.1, 79% European American) with weight concerns were randomly assigned to one of two brief obesity prevention interventions or educational video control...
October 18, 2016: International Journal of Eating Disorders
Abdullah H A Dehwah, Samir Al-Mashharawi, Kim Choon Ng, Thomas M Missimer
An investigation of a sea water reverse osmosis desalination facility located in western Saudi Arabia has shown that aquifer treatment of the raw sea water provides a high degree of removal of natural organic matter (NOM) that causes membrane biofouling. The aquifer is a carbonate system that has a good hydraulic connection to the sea and 14 wells are used to induce sea water movement 400 to 450 m from the sea to the wells. During aquifer transport virtually all of the algae, over 90% of the bacteria, over 90% of the biopolymer fraction of NOM, and high percentages of the humic substance, building blocks, and some of the low molecular weight fractions of NOM are removed...
October 17, 2016: Ground Water
Richard W Handel
The Minnesota Multiphasic Personality Inventory-Adolescent-Restructured Form (MMPI-A-RF; Archer, Handel, Ben-Porath, & Tellegen, 2016) is a new broadband measure of adolescent psychopathology and personality. The MMPI-A-RF is the adolescent counterpart of the MMPI-2-RF (Ben-Porath & Tellegen, 2008/2011). The goal of the MMPI-2-RF development project was to capture the clinically significant substance of the MMPI-2 item pool with a psychometrically sound measure linked to contemporary models of personality and psychopathology (Ben-Porath & Tellegen, 2008/2011)...
October 17, 2016: Journal of Clinical Psychology in Medical Settings
Manuela Balen, Gabriela Rotta Gomes, Jadel M Kratz, Cláudia M O Simões, Alexsandra Valério, Débora de Oliveira
Antioxidants are substances that defend cells against damage, kidnapping and destroying free radicals. They have been largely used in the food industry due the possibility to control the oxidation process, aimed to increase shelf life. Thus, esterification reaction to obtain ascorbyl linoleate catalyzed by Novozym 435 lipase assisted by ultrasound bath was investigated. In this work, molecular sieve (4 Å) was added to the reaction medium to remove the water formed during the esterification reaction to improve the process performance...
October 17, 2016: Bioprocess and Biosystems Engineering
Xindi C Hu, David Q Andrews, Andrew B Lindstrom, Thomas A Bruton, Laurel A Schaider, Philippe Grandjean, Rainer Lohmann, Courtney C Carignan, Arlene Blum, Simona A Balan, Christopher P Higgins, Elsie M Sunderland
Drinking water contamination with poly- and perfluoroalkyl substances (PFASs) poses risks to the developmental, immune, metabolic, and endocrine health of consumers. We present a spatial analysis of 2013-2015 national drinking water PFAS concentrations from the U.S. Environmental Protection Agency's (US EPA) third Unregulated Contaminant Monitoring Rule (UCMR3) program. The number of industrial sites that manufacture or use these compounds, the number of military fire training areas, and the number of wastewater treatment plants are all significant predictors of PFAS detection frequencies and concentrations in public water supplies...
October 11, 2016: Environmental Science & Technology Letters
Elisabeth Richter, Silvia Berkner, Ina Ebert, Bernhard Förster, Nadin Graf, Monika Herrchen, Ute Kühnen, Jörg Römbke, Markus Simon
BACKGROUND: Residues of veterinary medicinal products (VMPs) enter the environment via application of manure onto agricultural areas where in particular antibiotics can cause phytotoxicity. Terrestrial plant tests according to OECD guideline 208 are part of the environmental risk assessment of VMPs. However, this standard approach might not be appropriate for VMPs which form non-extractable residues or transformation products in manure and manure-amended soil. Therefore, a new test design with a more realistic exposure scenario via manure application is needed...
2016: Environmental Sciences Europe
Julian Schenten, Martin Führ
The purpose of the REACH Regulation is to ensure a high level of protection of human health and the environment as well as the free circulation of substances on the internal market while enhancing competitiveness and innovation. To this end, REACH introduces, among other instruments, the authorisation regime for substances of very high concern (SVHC) that are listed on Annex XIV of the regulation. After expiration of the transitional period for each Annex XIV-SVHC, articles, such as most products of daily use, produced in the European Economic Area (EEA) may not contain such substances unless an authorisation was granted for the specific use or this use falls within the scope of an exemption from the authorisation requirement...
2016: Environmental Sciences Europe
Martin May, Wiebke Drost, Sabine Germer, Tanja Juffernholz, Stefan Hahn
BACKGROUND: Acute-to-chronic extrapolation is an important approach to predict acceptable no-effect levels from acute data which has some uncertainties, but is valuable for risk assessment of chemical substances. With regard to the still limited and heterogenic data of chronic fish tests, conclusions on aquatic hazard estimation need to be checked and the question arises whether the chronic toxicity to fish can be adequately derived from acute data. A comprehensive dataset including ecotoxicological studies of 203 substances was used to investigate acute-to-chronic ratios (ACR) for both fish and Daphnia...
2016: Environmental Sciences Europe
Katja Knauer
BACKGROUND: Chemical analysis of surface water conducted in European countries indicates that pesticides are often detected in surface waters. This asks regulatory authorities to consider these monitoring data while re-evaluating pesticide approval and setting appropriate risk mitigation measures. During the years 2005-2012, the cantons in Switzerland performed 345,000 pesticide measurements in surface waters. Overall, 203 approved pesticides were examined. For 60 of these substances, regulatory acceptable concentrations (RACs) were published, which were determined from ecotoxicological data in accordance with international test methods within the framework of the authorization procedure...
2016: Environmental Sciences Europe
Katharina Kaufmann, Peter Dohmen
BACKGROUND: Literature data indicate that terrestrial life stages of amphibians may be more sensitive to xenobiotics than birds or mammals. It is hypothesized that dermal exposure could potentially be a significant route of exposure for amphibians, as there is evidence that their skin is more permeable than the skin of other vertebrate species. Thus, higher amounts of xenobiotics might enter systemic circulation by dermal uptake resulting in adverse effects. Heretofore, no guidelines exist to investigate dermal toxicity of chemicals to amphibians...
2016: Environmental Sciences Europe
Ulrich Förstner, Henner Hollert, Markus Brinkmann, Kathrin Eichbaum, Roland Weber, Wim Salomons
A critical review of the last 25 years of dioxin policy in the Elbe river catchment is presented along seven main theses of the River Basin Community (RBC)-Elbe background document "Pollutants" for the Management Plan 2016-2021. In this period, polychlorinated dibenzodioxins/-furans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (dl-PCBs) will play a major role: (i) as new priority substances for which environmental quality standards (EQSs) need to be derived (Directive 2013/39/EC); (ii) in the search for innovative solutions in sediment remediation (i...
2016: Environmental Sciences Europe
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