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Sexual Activity

M P Machado, I Matos, A R Grosso, M Schartl, M M Coelho
Sex determination is a highly variable process that utilizes many different mechanisms to initiate the cascade of differentiation processes. The molecular pathways controlling sexual development are less conserved than previously assumed, and appear to require active maintenance in some species; indeed, the developmental decision of gonad phenotype in gonochoristic species is not fixed at an early developmental stage. Much of the knowledge about sex determination mechanisms was derived from research on gonochoristic, non-seasonal breeders...
October 22, 2016: Molecular Reproduction and Development
Abby R Rosenberg, Kira Bona, Tyler Ketterl, Claire M Wharton, Joanne Wolfe, K Scott Baker
PURPOSE: The prevalence of intimacy and substance use among adolescents and young adults during cancer therapy has not been well described. METHODS: The "Resilience in Adolescents and Young Adults with Cancer" study was a prospective, multicenter, mixed-methods cohort study. English-speaking patients 14-25 years old with newly diagnosed cancer were invited to complete a comprehensive survey at the time of enrollment (T1) and 3-6 months later (T2). Intimate relationships and health behaviors were assessed with questions adapted from the Guidelines for Adolescent Preventative Services assessment...
October 18, 2016: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
Fabrice Kwiatkowski, Pascal Dessenne, Claire Laquet, Jean-Pierre Daures, Mathilde Gay-Bellile, Yves-Jean Bignon
BACKGROUND: Young women exposed to a high hereditary breast and ovarian cancer (HBOC) risk are particularly vulnerable. They are ignored by health prevention measures but exposed to a stream of contradictory information (medicine, media, Internet). They may feel concerned about surgical prevention issues at a key moment of their identity construction (self, relationship, sexuality). We designed a special psychoeducational intervention to help these women cope better with these difficulties...
October 21, 2016: Trials
Mulugeta Dile Worke, Lealem Meseret Bezabih, Mulat Adefris Woldetasdik
BACKGROUND: Contraception helps to prevent unplanned pregnancies among human immune virus positive women. The contraceptive utilization status and associated factors were not well addressed in the study area. Therefore, this study aimed to assess utilization of contraceptives and associated factors among human immune virus positive reproductive age group women appearing at anti-retroviral therapy clinic at the University of Gondar Hospital, North West Ethiopia. METHOD: An institution based cross-sectional study was conducted among 397 systematically selected HIV positive reproductive age women who visited ART unit of the University of Gondar teaching referral hospital from January 8-20, 2014...
October 21, 2016: BMC Women's Health
Kirsten Lerum Indrebø, Gerd Karin Natvig, John Roger Andersen
Ostomy-specific adjustment may or may not predict health-related quality of life (HRQoL) and/or overall quality of life (QoL). A cross-sectional study was conducted among patients recruited from the customer registers of 8 surgical suppliers and pharmacies across Norway between November 2010 and March 2011 to determine which of the 34 items of the Ostomy Adjustment Scale (OAS) are the strongest predictors for HRQoL and overall QoL and to determine the HRQoL and overall QoL of individuals with an ostomy compared to a control group representing the general population...
October 2016: Ostomy/wound Management
Ashley Currier, Thérèse Migraine-George
Understandings of African lesbian sexualities have been affected by silence, repression, and uncertainty. The subject of lesbian experiences and sexualities in Africa constitutes an opportunity for feminist scholars to address the transnational politics of knowledge production about African lesbians' lives and the contours of lesbian art, activism, and relationships in African nations. This article contextualizes the state of research on African lesbian sexualities and introduces the special issue.
October 21, 2016: Journal of Lesbian Studies
Christian Kärgel, Claudia Massau, Simone Weiß, Martin Walter, Viola Borchardt, Tillmann H C Krueger, Gilian Tenbergen, Jonas Kneer, Matthias Wittfoth, Alexander Pohl, Hannah Gerwinn, Jorge Ponseti, Till Amelung, Klaus M Beier, Sebastian Mohnke, Henrik Walter, Boris Schiffer
Neurobehavioral models of pedophilia and child sexual offending suggest a pattern of temporal and in particular prefrontal disturbances leading to inappropriate behavioral control and subsequently an increased propensity to sexually offend against children. However, clear empirical evidence for such mechanisms is still missing. Using a go/nogo paradigm in combination with functional magnetic resonance imaging (fMRI) we compared behavioral performance and neural response patterns among three groups of men matched for age and IQ: pedophiles with (N = 40) and without (N = 37) a history of hands-on sexual offences against children as well as healthy non-offending controls (N = 40)...
October 21, 2016: Human Brain Mapping
Aimee N C Campbell, Audrey J Brooks, Martina Pavlicova, Mei-Chen Hu, Mary A Hatch-Maillette, Donald A Calsyn, Susan Tross
HIV transmission often occurs through heterosexual high-risk sex. Even in the era of HIV combination prevention, promoting condom use, and understanding condom barriers, remain priorities, especially among substance-dependent individuals. Men and women (N=729) in outpatient drug treatment participated in a five-session gender-specific risk reduction group or one-session HIV Education group. Condom barriers (Motivation, Partner-related, Access/Availability, Sexual experience) were assessed at baseline and 6-month follow-up...
2016: Journal of HIV/AIDS & Social Services
J Jiang, X H Pan, J Z Yang, Q Q Ma, L Chen, L He, Y Xu, J L Zheng
Objective: To understand the willingness of HIV test uptake and associated factors among sexual active college students. Methods: A cross-sectional study were conducted among college students from 11 cities in Zhejiang province, and those who had sexual behaviors were included in this study. Results: A total of 9 615 students completed the questionnaire, and 6.5% (619/9 468) of them had sexual behaviors. A total of 535 students were recruited in this study. And 77.2% of them were willing to receive HIV test...
October 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
Stefania Casagrande, Rianne Pinxten, Erika Zaid, Marcel Eens
Song is a sexually selected trait that is thought to be an honest signal of the health condition of an individual in many bird species. For species that breed opportunistically, the quantity of food may be a determinant of singing activity. However, it is not yet known whether the quality of food plays an important role in this respect. The aim of the present study was to experimentally investigate the role of two calorie-free nutrients (lutein and cholesterol) in determining the expression of a sexually selected behavior (song rate) and other behaviors (locomotor activity, self-maintenance activity, eating and resting) in male zebra finches (Taeniopygia guttata)...
2016: PeerJ
Paola Perozzo, Adriana Salatino, Paolo Cerrato, Raffaella Ricci
Mood, anxiety, and other psychological symptoms are common in dystonic patients suffering from blepharospasm (BSP) and spasmodic torticollis (ST). Since sexual well-being is an important aspect of mental health, here, we investigated whether these patients may also experience a worsening of their sexual life. In particular, quality of sexual life was evaluated in patients suffering from BSP (N = 30), ST (N = 30), and in a control group of patient with Hemifacial spasm (HFS; N = 30), undergoing botulinum toxin type A therapy...
2016: Frontiers in Psychology
Rosalind L Coleman, Susie McLean
INTRODUCTION: The offer of pre-exposure prophylaxis (PrEP) is recommended as an additional option for HIV prevention for people at substantial risk of HIV infection as part of combination HIV prevention approaches. Implementing this depends on integrating PrEP in public health programmes that address risky practices with evidence-based interventions, and that operate in an enabling legal and policy environment for the delivery of health services to those at higher risk of HIV infection...
2016: Journal of the International AIDS Society
Karla Zanolla Dias de Souza, Fabiene Bernardes Castro Vale, Selmo Geber
OBJECTIVE: The objective of this study was to evaluate the efficacy of Tribulus terrestris for the treatment of hypoactive sexual desire disorder in postmenopausal women and evaluate its effect on the serum levels of testosterone. METHODS: We performed a prospective randomized, double-blinded, placebo-controlled study, during 18 months. A total of 45 healthy sexually active postmenopausal women reporting diminished libido were selected to participate in the study and were randomly assigned to receive 750 mg/d of T terrestris or placebo for 120 days...
October 10, 2016: Menopause: the Journal of the North American Menopause Society
Nicola Liberati
The aim of this paper is to analyse teledildonics from a phenomenological perspective in order to show the possible effects they will have on ourselves and on our society. The new way of using digital technologies is to merge digital activities with our everyday praxes, and there are already devices which enable subjects to be digitally connected in every moment of their lives. Even the most intimate ones are becoming mediated by devices such as teledildonics which digitally provide a tactual stimulation allowing users to have sexual intercourse through them...
October 18, 2016: Science and Engineering Ethics
Mussa N Sweya, Sia E Msuya, Michael J Mahande, Rachel Manongi
BACKGROUND: Previous studies have shown that knowledge of contraceptives, especially among the youth in universities, remains limited, and the rate of premarital sexual activity, unwanted pregnancies, and illegal abortions remains higher among university students. This study aimed to assess contraceptive knowledge, sexual behavior, and factors associated with contraceptive use among female undergraduate university students in Kilimanjaro region in Tanzania. METHODS: A cross-sectional analytical study was conducted from May to June 2015 among undergraduate female students in four universities in Kilimanjaro region...
2016: Adolescent Health, Medicine and Therapeutics
Małgorzata Tomczyńska, Ireneusz Salata, Joanna Saluk
Autoimmune diseases occur with greater frequency in women than in men, suggesting that the mechanism of pathogenesis is conditioned by gender. So far not defined clearly factors responsible for the development and course of these diseases depending on sex. However, it was found there is a clear sexual dimorphism of the immune system, which may determine the process of autoimmunity. The causes of the increased incidence of women in autoimmune diseases are attributed to the action of the hormones estrogen, which can promote the process of autoimmunity and enhance the clinical symptoms of the disease...
September 29, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
Christine Anne Ganzer
: A review of recent research and its relevance for nurses in all settings. ABSTRACT: The last two decades have seen increasing numbers of women entering all branches of the U.S. armed forces. Now that women in the military are no longer prohibited from holding direct combat positions, they are often exposed to traumatic events that place them at higher risk for mental health conditions. Nurses working within the Veterans Affairs (VA) system and those working in non-VA settings are likely to encounter female veterans...
October 13, 2016: American Journal of Nursing
Ramona Jühlen, Dana Landgraf, Angela Huebner, Katrin Koehler
It has been shown that the nucleoporin ALADIN plays a significant role in the redox homeostasis of the cell but its function in steroidogenesis contributing to adrenal atrophy in triple A syndrome remains largely unknown. In an attempt to identify new interaction partners of ALADIN, co-immunoprecipitation followed by proteome analysis was conducted in different expression models using the human adrenocortical tumour cell line NCI-H295R. Our results suggest an interaction of ALADIN with the microsomal protein PGRMC2...
October 17, 2016: Biology Open
Richard Lemke, Mathias Weber
This study investigates how men who have sex with men (MSM) use chat and dating sites based on theories of stigma-related offline behavior and online self-disclosure. We hypothesize that hidden MSM (those who self-label as heterosexual or who hide their same-sex sexual attraction from family, friends, acquaintances, or a female romantic partner) differ to open MSM in how they behave on gay chat and dating sites and in offline gay venues. Drawing on a survey of 12,002 MSM, we show that hidden MSM tend to mask their identity on gay chat and dating sites while avoiding offline gay venues...
October 18, 2016: Journal of Homosexuality
Duncan C Gilbert, Trinh Duong, Howard G Kynaston, Abdulla A Alhasso, Fay H Cafferty, Stuart D Rosen, Subramanian Kanaga-Sundaram, Sanjay Dixit, Marc Laniado, Sanjeev Madaan, Gerald Collins, Alvan Pope, Andrew Welland, Matthew Nankivell, Richard Wassersug, Mahesh Kb Parmar, Ruth E Langley, Paul D Abel
OBJECTIVES: To compare quality of life (QoL) outcomes at 6 months between men with advanced prostate cancer (PCa) receiving either transdermal oestradiol (tE2) or LHRH agonists (LHRHa) for androgen deprivation therapy (ADT). PATIENTS AND METHODS: Men with locally advanced or metastatic PCa participating in an ongoing randomised, multi-centre UK trial comparing tE2 versus LHRHa for ADT were enrolled into a QoL sub-study. tE2 was delivered via 3 or 4 transcutaneous patches containing 100mcg of oestradiol/24 hours...
October 18, 2016: BJU International
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