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https://www.readbyqxmd.com/read/29350346/chemical-characterization-of-young-virgin-queens-and-mated-egg-laying-queens-in-the-ant-cataglyphis-cursor-random-forest-classification-analysis-for-multivariate-datasets
#1
Thibaud Monnin, Florence Helft, Chloé Leroy, Patrizia d'Ettorre, Claudie Doums
Social insects are well known for their extremely rich chemical communication, yet their sex pheromones remain poorly studied. In the thermophilic and thelytokous ant, Cataglyphis cursor, we analyzed the cuticular hydrocarbon profiles and Dufour's gland contents of queens of different age and reproductive status (sexually immature gynes, sexually mature gynes, mated and egg-laying queens) and of workers. Random forest classification analyses showed that the four groups of individuals were well separated for both chemical sources, except mature gynes that clustered with queens for cuticular hydrocarbons and with immature gynes for Dufour's gland secretions...
January 19, 2018: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/29344535/sexual-experience-of-iranian-women-in-their-middle-life-a-qualitative-approach
#2
Sedigheh Moghasemi, Giti Ozgoli, Fazlollah Ahmadi, Masomeh Simbar
Background: Sexual problems are common among the middle-aged women; however, there is no deep understanding of sexuality in midlife. The current study aimed to investigate Iranian women's attitudes and experiences about sexual life changes in midlife. Methods: This is a descriptive qualitative study. Seventeen women aged 40 -65 years old were purposively selected from urban health centers in Gorgan, Iran, in 2015. Face-to-face, semi-structured and in-depth interviews were conducted for data collection until data saturation was attained...
January 2018: International Journal of Community Based Nursing and Midwifery
https://www.readbyqxmd.com/read/29336695/-ghosts-from-the-past-the-re-emergence-of-internalised-religious-stigma-following-diagnosis-of-hiv-among-northern-irish-gay-men
#3
Keith Kerrigan, Gill Green
This paper explores how previous exposure to religious homo-negativity features in the sense making process following HIV diagnosis in a homogenous sample of six gay men living in Northern Ireland. Interpretive Phenomenological Analysis was used to identify two key overarching themes: 'Negotiating authenticity in unsafe space' which relates to the experience of negotiating same sex attraction within religious environments and 'Re-emergence of religious shame in diagnosis' which relates to the way in which the men made sense of diagnosis from the position of having been exposed to religious homo-negativity earlier in their lives...
January 16, 2018: Journal of Homosexuality
https://www.readbyqxmd.com/read/29336511/differential-visual-ornamentation-between-brood-parasitic-and-parental-cuckoos
#4
Masaru Hasegawa, Emi Arai
The evolution of brood parasitism should affect adult phenotypic traits due to sexual selection as well as the parasite-host interactions, though it is rarely focused on. Sexual selection theory predicts extravagant secondary sexual characteristics in brood parasites while immature-like modest sexual characteristics in parental species. This is because juvenile-like immature traits can attract mates by exploiting parental care for young (i.e. attraction to young), and because the good parent process, which favors traits that signal parental care ability, would constrain the evolution of costly secondary sexual characteristics due to evolutionary tradeoffs between parental investment and sexually selected traits...
January 16, 2018: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/29336189/depression-sexual-satisfaction-and-other-psychological-issues-in-women-with-polycystic-ovary-syndrome
#5
Angelika Stapinska-Syniec, Klaudia Grabowska, Monika Szpotanska-Sikorska, Bronislawa Pietrzak
Polycystic ovary syndrome (PCOS) increases the risk of depression, poor quality of life, and low sexual satisfaction of women. The aim of the study was to evaluate the prevalence of these disorders and to assess the need for psychological consultation at the time of PCOS diagnosis. A case-control single-center study of 250 women who were diagnosed with PCOS voluntarily filled in an anonymous, interactive questionnaire. The inquiry form included 27 questions covering the woman's characteristics, satisfaction with their outer appearance and sexual life, as well as the Beck Depression Inventory (BDI)...
January 16, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29324177/tobacco-use-among-adults-by-sexual-orientation-findings-from-the-population-assessment-of-tobacco-and-health-study
#6
Christopher W Wheldon, Annette R Kaufman, Karin A Kasza, Richard P Moser
PURPOSE: The aim of this study was to characterize lifetime tobacco use across two measures of sexual orientation and six types of tobacco products. METHODS: We conducted a cross-sectional analysis of the Population Assessment of Tobacco and Health (Wave 1, 2013-2014, USA) to estimate the prevalence of tobacco use (cigarettes, e-cigarettes, cigars, pipes, hookah, and smokeless) stratified by gender (men/women), age (< 25/≥ 25 years old), and sexual orientation...
January 2018: LGBT Health
https://www.readbyqxmd.com/read/29320584/the-male-aesthetic-patient-facial-anatomy-concepts-of-attractiveness-and-treatment-patterns
#7
Terrence C Keaney, Robert Anolik, André Braz, Michael Eidelman, Joseph A Eviatar, Jeremy B Green, Derek H Jones, Vic A Narurkar, Anthony M Rossi, Conor J Gallagher
<p>BACKGROUND: The number of nonsurgical aesthetic procedures performed in men is growing rapidly. However, there are limited data on treatment principles and goals for the male aesthetic patient.</p> <p>OBJECTIVE: To review the objective data available on male aging and aesthetics and to synthesize with expert opinion on treatment considerations specific to male patients.</p> <p>METHODS: Expert advisors met to discuss anatomical differences in male versus female facial anatomy related to aging, facial treatment preferences in aesthetically oriented men, and current dosing data for facial injectable treatments in male versus female patients...
January 1, 2018: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29314426/the-role-of-the-dorsal-anterior-insula-in-sexual-risk-evidence-from-an-erotic-go-nogo-task-and-real-world-risk-taking
#8
Feng Xue, Vita Droutman, Emily E Barkley-Levenson, Benjamin J Smith, Gui Xue, Lynn C Miller, Antoine Bechara, Zhong-Lin Lu, Stephen J Read
The insula plays an important role in response inhibition. Most relevant here, it has been proposed that the dorsal anterior insular cortex (dAIC) plays a central role in a salience network that is responsible for switching between the default mode network and the executive control network. However, the insula's role in sexually motivated response inhibition has not yet been studied. In this study, eighty-five 18- to 30-year-old sexually active men who have sex with men (MSM) performed an erotic Go/NoGo task while in an MRI scanner...
January 3, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29302531/need-for-revisiting-the-role-of-sexually-transmitted-disease-clinics-in-government-hospitals-in-india
#9
Madhulekha Bhattacharya, Hema Gogia
Introduction: The Government of India provides treatment for sexually transmitted infections (STIs) through government's sexually transmitted disease (STD) clinics with the mandate of providing curative and preventive services for clients in the context of STIs. However, besides the patients suffering from STDs, other clients with problems related to reproductive and sexual health also attend these clinics. This study aimed to assess the profile and treatment-seeking behavior of clients attending STD clinics in government hospitals in India...
April 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29300994/sexual-orientation-discrimination-and-tobacco-use-disparities-in-the-united-states
#10
Sean Esteban McCabe, Tonda L Hughes, Alicia K Matthews, Joseph G L Lee, Brady T West, Carol J Boyd, Cynthia Arslanian-Engoren
Introduction: Differences in tobacco/nicotine use by sexual orientation are well documented. Development of interventions requires attention to the etiology of these differences. This study examined associations among sexual orientation discrimination, cigarette smoking, any tobacco/nicotine use, and DSM-5 tobacco use disorder (TUD) in the U.S. Methods: We used data from the 2012-2013 National Epidemiologic Survey on Alcohol and Related Conditions based on in-person interviews with a nationally representative sample of non-institutionalized U...
December 30, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/29299791/exploring-the-sexual-development-experiences-of-black-bisexual-male-adolescents-over-time
#11
Anthony Morgan, Brianna Saunders, Brian Dodge, Gary Harper, Renata Arrington Sanders
Scant research has sought to explore the development of dimensions of sexual orientation among Black bisexual male adolescents (BBMA). Understanding how sexual attractions, behaviors, and identities evolve among BBMA over time is crucial to understanding the most appropriate support strategies to provide during this developmental period. We sought to understand and describe the sexual orientation development experiences in a sample of BBMA over the course of 1 year. We further sought to understand the sociocontextual factors that may play a role during this development process...
January 3, 2018: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/29294695/factors-influencing-labeling-nonconsensual-sex-as-sexual-assault
#12
Monica C Yndo, Tina Zawacki
The current study examined the effects of physical attractiveness and sexual interest cues on men's sexual perceptions of women and whether increases in sexual perceptions of a woman would lead to decreases in labeling of subsequent nonconsensual sex as sexual assault. Two hundred thirty-three male college students ( Mage = 19.17, SD = 1.22) read a vignette describing a hypothetical social interaction between a man and a woman; within the vignette, the female character's physical attractiveness (attractive vs...
March 1, 2017: Journal of Interpersonal Violence
https://www.readbyqxmd.com/read/29288076/the-neuroendocrinology-of-sexual-attraction
#13
REVIEW
Olivia Le Moëne, Anders Ågmo
Sexual attraction has two components: Emission of sexually attractive stimuli and responsiveness to these stimuli. In rodents, olfactory stimuli are necessary but not sufficient for attraction. We argue that body odors are far superior to odors from excreta (urine, feces) as sexual attractants. Body odors are produced by sebaceous glands all over the body surface and in specialized glands. In primates, visual stimuli, for example the sexual skin, are more important than olfactory. The role of gonadal hormones for the production of and responsiveness to odorants is well established...
December 26, 2017: Frontiers in Neuroendocrinology
https://www.readbyqxmd.com/read/29282258/is-sexual-minority-status-associated-with-poor-sleep-quality-among-adolescents-analysis-of-a-national-cross-sectional-survey-in-chinese-adolescents
#14
Pengsheng Li, Yeen Huang, Lan Guo, Wanxin Wang, Chuhao Xi, Yiling Lei, Min Luo, Siyuan Pan, Xueqing Deng, Wei-Hong Zhang, Ciyong Lu
OBJECTIVES: Recent studies have suggested that sexual minorities are more likely to have poor sleep quality. This study aims to explore sleep quality among sexual minority adolescents and examines the association between sexual minority status and sleep quality. DESIGN: Cross-sectional survey. SETTING: A total of 506 high schools in seven Chinese provinces. PARTICIPANTS: A total of 150 822 students in grades 7-12 completed the questionnaires, and 123 459 students who reported being aware of their sexual orientation were included in analyses...
December 26, 2017: BMJ Open
https://www.readbyqxmd.com/read/29281135/gender-sexuality-and-violence-in-humanitarian-crises
#15
Dorothea Hilhorst, Holly Porter, Rachel Gordon
Gender, sexuality, and violence have attracted significant attention in the sphere of humanitarianism in recent years. While this shift builds on the earlier 'Gender and Development' approach and the 'Women, Peace, and Security Agenda', analytical depth is lacking in practice. Notably, 'gender' often means a singular concern for women, neglecting questions of agency and the dynamic and changing realities of gendered power relations. This introductory paper examines why this neglect occurs and proposes a more relational approach to gender...
January 2018: Disasters
https://www.readbyqxmd.com/read/29279253/the-rush-to-risk-when-interrogating-the-relationship-between-methamphetamine-use-and-sexual-practice-among-gay-and-bisexual-men
#16
Joanne Bryant, Max Hopwood, Gary W Dowsett, Peter Aggleton, Martin Holt, Toby Lea, Kerryn Drysdale, Carla Treloar
Much research concerning drug use in the context of sexual activity among gay and bisexual men derives from public health scholarship. In this paper, we critically examine how the relationship between methamphetamine use and sexual risk practice is treated and understood in this body of research. While public health has made important contributions to establishing the link between methamphetamine use and sexual risk-taking, the precise nature of the relationship is not well defined. This creates space for ungrounded assumptions about methamphetamine use to take hold...
December 23, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/29276717/longitudinal-associations-of-sexual-fluidity-and-health-in-transgender-men-and-cisgender-women-and-men
#17
Sabra L Katz-Wise, David N Williams, Colton L Keo-Meier, Stephanie L Budge, Seth Pardo, Carla Sharp
Research has just begun to study associations between sexual fluidity and health among cisgender individuals; only one cross-sectional study examined these links among transgender individuals. The goals of the current study were to prospectively examine fluidity in sexual attractions and fluidity in sexual orientation identity, and associations with health-related outcomes. Participants were a community-based sample of 45 transgender men, ages 16-51 years, who had recently begun testosterone, and 95 cisgender individuals (53 women, 42 men), ages 18-55 years, who completed surveys either in-person or via mail...
2017: Psychology of Sexual Orientation and Gender Diversity
https://www.readbyqxmd.com/read/29273813/proximity-of-signallers-can-maintain-sexual-signal-variation-under-stabilizing-selection
#18
Michiel van Wijk, Jeremy Heath, Rik Lievers, Coby Schal, Astrid T Groot
How sexual communication systems can evolve under stabilizing selection is still a paradox in evolutionary biology. In moths, females emit a species-specific sex pheromone, consisting of a blend of biochemically related components, to which males are attracted. Although males appear to exert strong stabilizing selection on female pheromone, these blends seem to have evolved rapidly, as evidenced by ~120,000 moth species. Here we propose and test a "proximity model" wherein two females that vary in their relative attractiveness to males, can both benefit from calling in close proximity to each other...
December 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29261342/the-prevalence-and-gratification-of-nude-self-presentation-of-men-who-have-sex-with-men-in-online-dating-environments-attracting-attention-empowerment-and-self-verification
#19
Richard Lemke, Simon Merz
This study builds on research about the importance of body presentation among men who have sex with men (MSM) by exploring the phenomenon of nude body presentation in online dating environments. In a quantitative survey of N = 9,235 MSM users of a gay online dating site (ODS) in Germany, the prevalence of nude pictures and gratifications sought while displaying them were investigated. About two-thirds of the participants declared that they use nude pictures in their dating profiles, with only small differences in prevalence between members of different ages, education levels, and sexual orientation...
December 20, 2017: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/29259726/does-toxoplasma-infection-increase-sexual-masochism-and-submissiveness-yes-and-no
#20
Jaroslav Flegr
The parasite Toxoplasma needs to get from its intermediate hosts, e.g. rodents, to its definitive hosts, cats, by predation. To increase the probability of this occurrence, Toxoplasma manipulates the behavior of its hosts, for example, by the demethylation of promoters of certain genes in the host's amygdala. After this modification, the stimuli that normally activate fear-related circuits, e.g., the smell of a cat in mice, or smell of leopards in chimpanzees, start to additionally co-activate sexual arousal-related circuits in the infected animals...
2017: Communicative & Integrative Biology
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