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https://www.readbyqxmd.com/read/28182902/money-in-the-bank-distortive-effects-of-accumulated-earnings-on-risky-choice
#1
Arkady Konovalov, Ian Krajbich
A new study by Juechems et al. (2017) demonstrates that individuals take fewer risks as they accumulate monetary reward. The ventromedial prefrontal cortex plays a key role in the decision process, encoding both momentary reward and the context of the accumulated wealth.
February 8, 2017: Neuron
https://www.readbyqxmd.com/read/28174543/rank-among-peers-during-game-competition-affects-the-tendency-to-make-risky-choices-in-adolescent-males
#2
Jerome C Foo, Kohei Nagase, Sawako Naramura-Ohno, Kazuhiro Yoshiuchi, Yoshiharu Yamamoto, Kenji Morita
It has been shown that adolescents take more risks when they are with peers than when they are alone, presumably because the presence of peers can be a social reward/punishment that can bias decision making. Competition is inherent in peer interactions, and recent work has demonstrated that winning/losing is an intrinsic social reward/punishment. Taken together, it can be hypothesized that competition amongst peers affects adolescents' risky behavior. While there is much evidence that status amongst peers can relate to antisocial/aggressive behavior, it remains unclear whether risky behavior is affected...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28154003/ethics-of-a-relaxed-antidoping-rule-accompanied-by-harm-reduction-measures
#3
Bengt Kayser, Jan Tolleneer
Harm-reduction approaches are used to reduce the burden of risky human behaviour without necessarily aiming to stop the behaviour. We discuss what an introduction of harm reduction for doping in sports would mean in parallel with a relaxation of the antidoping rule. We analyse what is ethically at stake in the following five levels: (1) What would it mean for the athlete (the self)? (2) How would it impact other athletes (the other)? (3) How would it affect the phenomenon of sport as a game and its fair play basis (the play)? (4) What would be the consequences for the spectator and the role of sports in society (the display)? and (5) What would it mean for what some consider as essential to being human (humanity)? For each level, we present arguments for and against doping and then discuss what a harm-reduction approach, within a dynamic regime of a partially relaxed antidoping rule, could imply...
February 2, 2017: Journal of Medical Ethics
https://www.readbyqxmd.com/read/28146047/similarities-and-differences-matter-considering-the-influence-of-gender-on-hiv-prevention-programs-for-young-adults-in-an-urban-hbcu
#4
Ian Lindong, Lorece Edwards, Sabriya Dennis, Olaoluwa Fajobi
Human Immunodeficiency Virus/Acquired Immune Deficiency Syndrome (HIV/AIDS) disproportionately burdens African American youth and young adults. In studies conducted in Historically Black Colleges and Universities (HBCU) settings, African American youth generally perceive themselves as having a low risk of contracting HIV and sexually transmitted diseases (STDs) despite having higher rates of unprotected sexual encounters, multiple sex partners, and particularly low rates of HIV testing and awareness of HIV status...
January 29, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28143579/method-for-generating-multiple-risky-barcodes-of-complex-diseases-using-ant-colony-algorithm
#5
Xiong Li, Wen Jiang
BACKGROUND: Susceptible barcode recognition plays an important role in the diagnosis and treatment of complex diseases. Numerous approaches have been proposed to identify risky barcodes involved in the progress of complex diseases. However, some methods only consider differences in barcode frequencies between the control and disease groups; as such, these methods may be partial or even wrong. For example, some barcodes with a high risk ratio yield a low frequency on cases or exhibit a high frequency on controls, which may unreasonable from a statistical point...
February 1, 2017: Theoretical Biology & Medical Modelling
https://www.readbyqxmd.com/read/28120644/risk-behaviours-and-prevalences-of-hiv-and-sexually-transmitted-infections-among-female-sex-workers-in-various-venues-in-changzhou-china
#6
Yanli Guo, Xiaoguo Xu, Gengfeng Fu, Xiping Huan, Ning Jiang, Yueping Yin, Xiangsheng Chen
Female sex workers (FSWs) play an important role in the heterosexual transmission of HIV and sexually transmitted infections (STIs) in China. We conducted a cross-sectional study of 609 FSWs from various venues in Changzhou to investigate risk behaviours and prevalences of HIV and STIs among FSW subgroups. Structured questionnaires were used in face-to-face interviews to collect information. Blood and cervical specimens were collected to test for HIV, syphilis, Neisseria gonorrhoeae (NG) and Chlamydia trachomatis (CT) infections...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28103937/the-influence-of-marketing-on-the-sports-betting-attitudes-and-consumption-behaviours-of-young-men-implications-for-harm-reduction-and-prevention-strategies
#7
Emily G Deans, Samantha L Thomas, Jeffrey Derevensky, Mike Daube
BACKGROUND: Gambling can cause significant health and social harms for individuals, their families, and communities. While many studies have explored the individual factors that may lead to and minimise harmful gambling, there is still limited knowledge about the broader range of factors that may contribute to gambling harm. There are significant regulations to prevent the marketing of some forms of gambling but comparatively limited regulations relating to the marketing of newer forms of online gambling such as sports betting...
January 19, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28100187/prevalence-of-hiv-and-syphilis-co-infection-and-associated-factors-among-non-commercial-men-who-have-sex-with-men-attending-a-sexually-transmitted-disease-clinic-in-shenzhen-china
#8
Wenjie Dai, Zhenzhou Luo, Ruiwei Xu, Guanglu Zhao, Dan Tu, Lin Yang, Feng Wang, Yumao Cai, Lina Lan, Fuchang Hong, Tubao Yang, Tiejian Feng
BACKGROUND: Although HIV and syphilis co-infection has been frequently observed in men who have sex with men (MSM), only few studies have focused on it. Different subgroups of MSM might exhibit heterogeneous HIV and syphilis risk profiles, indicating that interventions for HIV and HIV-related co-infections may vary with different subgroups of MSM. However, no previous study has investigated HIV and syphilis co-infection among non-commercial MSM (ncMSM) attending a sexually transmitted disease (STD) clinic...
January 18, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28095602/age-and-adaptation-stronger-decision-updating-about-real-world-risks-in-older-age
#9
Jonathan J Rolison, Stacey Wood, Yaniv Hanoch
In later life, people are faced with a multitude of risky decisions that concern their health, finance, and personal security. Older adults often exercise caution in situations that involve risk. In this research, we asked whether older adults are also more responsive to warnings about potential risk. An answer to this question could reveal a factor underlying increased cautiousness in older age. In Study 1, participants decided whether they would engage in risky activities (e.g., using an ATM machine in the street) in four realistic scenarios about which participants could be expected to have relevant knowledge or experience...
January 17, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28095278/awareness-of-hiv-transmission-risks-and-determinants-of-sexual-behaviour-descriptive-and-multivariate-analyses-among-german-nursing-students
#10
Carolin Jacob, Katharina von Lindeman, Jörg Klewer, Joachim Kugler
AIM: Nursing students play a crucial role in sexual health education. Evidence suggests, however, that nursing students had several gaps in their knowledge of HIV transmission. This study investigates how nursing students in Germany assess the potential risks of spreading HIV in defined situations and which factors influence the self-expressed sexual behaviour patterns of these students. METHODS: A standardized anonymous questionnaire was administered to a sample (N=617) of nursing students in 2008 and 2013...
December 2016: Central European Journal of Public Health
https://www.readbyqxmd.com/read/28073328/what-constitutes-strong-psychological-science-the-neglected-role-of-diagnosticity-and-a-priori-theorizing
#11
Klaus Fiedler
A Bayesian perspective on Ioannidis's (2005) memorable statement that "Most Published Research Findings Are False" suggests a seemingly inescapable trade-off: It appears as if research hypotheses are based either on safe ground (high prior odds), yielding valid but unsurprising results, or on unexpected and novel ideas (low prior odds), inspiring risky and surprising findings that are inevitably often wrong. Indeed, research of two prominent types, sexy hypothesis testing and model testing, is often characterized by low priors (due to astounding hypotheses and conjunctive models) as well as low-likelihood ratios (due to nondiagnostic predictions of the yin-or-yang type)...
January 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/28027016/opioid-overdose-prevention-training-with-naloxone-an-adjunct-to-basic-life-support-training-for-first-year-medical-students
#12
Noah Berland, Aaron Fox, Babak Tofighi, Kathleen Hanley
BACKGROUND: Opioid overdose deaths have reached epidemic proportions in the United States. This problem stems from both licit and illicit opioid use. Physicians play a role in prescribing opioids, recognizing risky use, and initiating prevention, including Opioid Overdose Prevention Training (OOPT). The American Heart Association (AHA) modified their basic life support (BLS) algorithms to consider naloxone in high risk populations and when a pulse is appreciated; however, the AHA did not provide OOPT...
December 27, 2016: Substance Abuse
https://www.readbyqxmd.com/read/28003007/icp-ms-analytical-method-for-identification-and-detection-of-elemental-impurities
#13
Mohini Mittal, Kapil Kumar, Durgadas Anghore, Ravindra Kumar Rawal
Aim of this article is to review and discuss the currently used quantitative analytical method ICP-MS, which is used for quality control of pharmaceutical products. ICP-MS technique has several applications such as determination of single elements, multi element analysis in synthetic drugs, heavy metals in environmental water, trace element content of selected fertilizers and dairy manures. ICP-MS is also used for determination of toxic and essential elements in different varieties of food samples and metal pollutant present in the environment...
December 21, 2016: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/27990616/the-relationship-between-religion-and-risky-behaviors-among-iranian-university-students
#14
Zahra Ameri, Fahimeh Mirzakhani, Amir Reza Nabipour, Narges Khanjani, Mark J M Sullman
One factor that protects an individual from risky behavior is religiosity, which is referred to as a shield against risky behaviors. Belief in God and religion plays an important role in young people's lives, and in comparison with their non-religious peers. They engage less frequently in risky behaviors, such as violence and sexual relations. The present study investigated the relationship between religiosity and engagement in risky behaviors among students from the Pishva branch of the Islamic Azad University, Tehran Province in Iran...
December 18, 2016: Journal of Religion and Health
https://www.readbyqxmd.com/read/27925280/association-between-overall-rate-of-change-in-rising-breath-alcohol-concentration-and-the-magnitude-of-acute-tolerance-of-subjective-intoxication-via-the-mellanby-method
#15
David H Morris, Michael T Amlung, Chia-Lin Tsai, Denis M McCarthy
OBJECTIVE: The magnitude of acute tolerance is a strong predictor of the development of longer-term chronic tolerance and plays a decisive role in risky decisions (e.g., driving after drinking). Therefore, it is important to identify factors that increase the magnitude of this adaptive process. This study explored whether acute tolerance magnitude varied as a function of the overall rate of increase in breath alcohol concentration (BrAC). METHODS: Twenty-nine young adult social drinkers (M age = 22...
December 7, 2016: Human Psychopharmacology
https://www.readbyqxmd.com/read/27865341/bullying-among-lesbian-gay-bisexual-and-transgender-youth
#16
REVIEW
Valerie A Earnshaw, Laura M Bogart, V Paul Poteat, Sari L Reisner, Mark A Schuster
Bullying of lesbian, gay, bisexual, and transgender (LGBT) youth is prevalent in the United States, and represents LGBT stigma when tied to sexual orientation and/or gender identity or expression. LGBT youth commonly report verbal, relational, and physical bullying, and damage to property. Bullying undermines the well-being of LGBT youth, with implications for risky health behaviors, poor mental health, and poor physical health that may last into adulthood. Pediatricians can play a vital role in preventing and identifying bullying, providing counseling to youth and their parents, and advocating for programs and policies to address LGBT bullying...
December 2016: Pediatric Clinics of North America
https://www.readbyqxmd.com/read/27865061/setting-spatial-conservation-priorities-despite-incomplete-data-for-characterizing-metapopulations
#17
A H Fullerton, S Anzalone, P Moran, D M Van Doornik, T Copeland, R W Zabel
Management of spatially structured species poses unique challenges. Despite a strong theoretical foundation, practitioners rarely have sufficient empirical data to evaluate how populations interact. Rather, assumptions about connectivity and source-sink dynamics are often based on incomplete, extrapolated, or modeled data, if such interactions are even considered at all. Therefore, it has been difficult to evaluate whether spatially structured species are meeting conservation goals. We evaluated how estimated metapopulation structure responded to estimates of population sizes and dispersal probabilities and to the set of populations included...
December 2016: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/27831701/risky-business-when-humor-increases-and-decreases-status
#18
T Bradford Bitterly, Alison Wood Brooks, Maurice E Schweitzer
Across 8 experiments, we demonstrate that humor can influence status, but attempting to use humor is risky. The successful use of humor can increase status in both new and existing relationships, but unsuccessful humor attempts (e.g., inappropriate jokes) can harm status. The relationship between the successful use of humor and status is mediated by perceptions of confidence and competence. The successful use of humor signals confidence and competence, which in turn increases the joke teller's status. Interestingly, telling both appropriate and inappropriate jokes, regardless of the outcome, signals confidence...
November 10, 2016: Journal of Personality and Social Psychology
https://www.readbyqxmd.com/read/27816780/adolescent-neural-response-to-reward-is-related-to-participant-sex-and-task-motivation
#19
Gabriela Alarcón, Anita Cservenka, Bonnie J Nagel
Risky decision making is prominent during adolescence, perhaps contributed to by heightened sensation seeking and ongoing maturation of reward and dopamine systems in the brain, which are, in part, modulated by sex hormones. In this study, we examined sex differences in the neural substrates of reward sensitivity during a risky decision-making task and hypothesized that compared with girls, boys would show heightened brain activation in reward-relevant regions, particularly the nucleus accumbens, during reward receipt...
February 2017: Brain and Cognition
https://www.readbyqxmd.com/read/27798090/the-effect-of-tobacco-control-policies-on-us-smokeless-tobacco-use-a-structured-review
#20
REVIEW
David T Levy, Darren Mays, Raymond G Boyle, Jamie Tam, Frank J Chaloupka
INTRODUCTION: Tobacco use has shifted increasingly from cigarettes to other products. While the focus has been mostly on cigarette-oriented policies, it is important to gauge the effects of policies targeting other products. We review and critique the literature on how policies affect smokeless tobacco (ST). METHODS: We conducted a search of the literature on tobacco control policies as they relate to ST use, focusing on tobacco taxes, smoke-free air laws, media campaigns, advertising restrictions, health warnings, cessation treatment policies, and youth access policies...
October 25, 2016: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
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