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Sexual behavior in humans

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https://www.readbyqxmd.com/read/28448246/pornography-use-and-loneliness-a-bi-directional-recursive-model-and-pilot-investigation
#1
Mark H Butler, Samuel A Pereyra, Thomas W Draper, Nathan D Leonhardt, Kevin B Skinner
Sexuality is presumptively and observably a powerful core element of the human pair-bond relationship. Technological advances of the last half-century have made media a dominant cultural and developmental presence, including scripting sexual relationship attitudes and behavior. Theoretically and empirically, we examine loneliness as it relates to pornography use in terms of pornography's relational scripting and its addictive potential. Empirically, we examine the associative nature between pornography use and loneliness using a measurement model and two structural equation models where pornography use and loneliness are regressed on each other, respectively...
April 27, 2017: Journal of Sex & Marital Therapy
https://www.readbyqxmd.com/read/28446420/measuring-sexual-behavior-stigma-to-inform-effective-hiv-prevention-and-treatment-programs-for-key-populations
#2
Shauna Stahlman, James R Hargreaves, Laurel Sprague, Anne L Stangl, Stefan D Baral
BACKGROUND: The levels of coverage of human immunodeficiency virus (HIV) treatment and prevention services needed to change the trajectory of the HIV epidemic among key populations, including gay men and other men who have sex with men (MSM) and sex workers, have consistently been shown to be limited by stigma. OBJECTIVE: The aim of this study was to propose an agenda for the goals and approaches of a sexual behavior stigma surveillance effort for key populations, with a focus on collecting surveillance data from 4 groups: (1) members of key population groups themselves (regardless of HIV status), (2) people living with HIV (PLHIV) who are also members of key populations, (3) members of nonkey populations, and (4) health workers...
April 26, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28442804/clinico-epidemiological-profile-of-patients-attending-suraksha-clinic-of-tertiary-care-hospital-of-north-india
#3
H S Banger, Anisha Sethi, Sita Malhotra, Suresh Kumar Malhotra, Tejinder Kaur
BACKGROUND: Sexually transmitted infections (STIs) are a global health problem. Trends of STIs vary from place to place depending on various epidemiological factors prevailing in that respective geographic area. AIMS AND OBJECTIVES: The present study was conducted to find the pattern and prevalence of different STIs out of total STI clinic attendees, to identify any change in the trend of STIs, various epidemiological factors, and behavior of individual diseases...
January 2017: Indian Journal of Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28442802/study-of-prevalence-of-sexually-transmitted-infections-human-immunodeficiency-virus-and-condom-use-among-male-to-female-transgender-a-retrospective-analysis-from-a-tertiary-care-hospital-in-chennai
#4
Subhash Dasarathan, S Kalaivani
CONTEXT: A "Transgender" person is one who dresses as, desires to be, has undergone surgery to become or identifies with opposite sex. They have a higher risk of sexually transmitted infection (STI) due to a combination of biological and social reasons. They have risky sexual behaviors but low-risk perception. AIMS: The aim of this study is to determine the prevalence of STI/human immunodeficiency virus (HIV) in transgender (TG) and association with condom use. SETTINGS AND DESIGN: A retrospective study of 82 male-to-female TGs attending our sexually transmitted disease (STD) clinic from 2011 to 2014 was undertaken...
January 2017: Indian Journal of Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28441176/long-term-nitrite-inhalant-exposure-and-cancer-risk-in-msm
#5
Anupriya Dutta, Hajime Uno, Alex Holman, David R Lorenz, Steven M Wolinsky, Dana Gabuzda
OBJECTIVES: Nitrite inhalants (poppers) are commonly used recreational drugs among MSM and were previously associated with elevated rates of high-risk sexual behavior, HIV and human herpesvirus type 8 (HHV-8) seroconversion, and transient immunosuppressive effects in experimental models. Whether long-term popper use is associated with cancer risk among MSM in the HAART era is unclear. DESIGN: Prospective cohort study of cancer risk in 3223 HIV-infected and uninfected MSM in the Multicenter AIDS Cohort Study from 1996-2010...
May 15, 2017: AIDS
https://www.readbyqxmd.com/read/28428157/texting-and-mobile-phone-app-interventions-for-improving-adherence-to-preventive-behavior-in-adolescents-a-systematic-review
#6
Sherif M Badawy, Lisa M Kuhns
BACKGROUND: Many preventable behaviors contribute to adolescent mortality and morbidity. Non-adherence to preventive measures represents a challenge and has been associated with worse health outcomes in this population. The widespread use of electronic communication technologies by adolescents, particularly the use of text messaging (short message service, SMS) and mobile phones, presents new opportunities to intervene on risk and preventive risk behavior, but little is known about their efficacy...
April 19, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28426312/safe-sex-in-the-1970s-community-practitioners-on-the-eve-of-aids
#7
Thomas R Blair
In the 1970s, groups of gay and gay-allied health professionals began to formulate guidelines for safer sexual activity, several years before HIV/AIDS. Through such organizations as the National Coalition of Gay Sexually Transmitted Disease Services, Bay Area Physicians for Human Rights, and the Sisters of Perpetual Indulgence, these practitioners developed materials that would define sexual health education for the next four decades, as well as such concepts as "bodily fluids" and the "safe sex hanky." To do so, they used their dual membership in the community and the health professions...
April 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28416242/human-papillomavirus-and-oral-squamous-cell-carcinoma-a-review-of-hpv-positive-oral-squamous-cell-carcinoma-and-possible-strategies-for-future
#8
REVIEW
Shan Jiang, Yong Dong
Oral squamous cell carcinoma (OSCC) is a common cancer worldwide. Besides tobacco use and alcohol consumption, human papillomavirus (HPV) infection has also been identified as a risk factor for OSCC recently. The OSCC incidence has increased in recent years, especially among younger women. The purpose of this article is to review clinical and epidemiological studies on the association between HPV infection and OSCCs, and the efficacy of HPV vaccine, so as to provide possible policy implications for preventing HPV-positive OSCC...
March 1, 2017: Current Problems in Cancer
https://www.readbyqxmd.com/read/28407644/mobile-phone-and-internet-use-mostly-for-sex-seeking-and-associations-with-sexually-transmitted-infections-and-sample-characteristics-among-black-african-american-and-hispanic-latino-men-who-have-sex-with-men-in-3-us-cities
#9
Jacob E Allen, Gordon Mansergh, Matthew J Mimiaga, Jeremy Holman, Jeffrey H Herbst
BACKGROUND: Men who have sex with men (MSM) have a relatively high prevalence of sexually transmitted infections (STIs). This study examines the association of self-reported STIs and use of mobile phones and/or computer-based Internet to meet sexual partners among black and Hispanic/Latino MSM in the United States. METHODS: Black and Hispanic/Latino MSM (N = 853) were recruited from 3 US cities (Chicago, IL; Kansas City, MO; and Fort Lauderdale, FL) via online and community outreach...
May 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28402405/sexual-networks-dyadic-characteristics-and-hiv-acquisition-and-transmission-behaviors-among-black-men-who-have-sex-with-men-in-6-us-cities
#10
DeMarc A Hickson, Leandro A Mena, Leo Wilton, Hong-Van Tieu, Beryl A Koblin, Vanessa Cummings, Carl Latkin, Kenneth H Mayer
The role of sexual networks in the epidemiology of human immunodeficiency virus (HIV) among black men who have sex with men (MSM) is poorly understood. Using data from 1,306 black MSM in the BROTHERS Study (2009-2010) in the United States, we examined the relationships between multiple sexual dyadic characteristics and serodiscordant/serostatus-unknown condomless sex (SDCS). HIV-infected participants had higher odds of SDCS when having sex at least weekly (odds ratio (OR) = 2.41, 95% confidence interval (CI): 1...
April 10, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28399798/the-picasso-cohort-baseline-characteristics-of-a-cohort-of-men-who-have-sex-with-men-and-male-to-female-transgender-women-at-high-risk-for-syphilis-infection-in-lima-peru
#11
Noah Kojima, Hayoung Park, Kelika A Konda, Dvora L Joseph Davey, Claire C Bristow, Brandon Brown, Segundo R Leon, Silver K Vargas, Gino M Calvo, Carlos F Caceres, Jeffrey D Klausner
BACKGROUND: Men who have sex with men (MSM) and male-to-female transgender women (transwomen) are disproportionately at risk of syphilis infection in Peru. METHODS: From 2013 to 2014, MSM and transwomen seeking human immunodeficiency virus (HIV) or sexually transmitted infection (STI) testing and/or treatment were recruited into a 2-year observational cohort study to determine predictors of recently acquired syphilis infection (defined as a rapid plasma reagin [RPR] titer ≥1:16 and a reactive treponemal antibody test) in Lima, Peru...
April 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28392673/-life-steps-for-prep-adherence-demonstration-of-a-cbt-based-intervention-to-increase-adherence-to-preexposure-prophylaxis-prep-medication-among-sexual-minority-men-at-high-risk-for-hiv-acquisition
#12
S Wade Taylor, Christina Psaros, David W Pantalone, Jake Tinsley, Steven A Elsesser, Kenneth H Mayer, Steven A Safren
One dramatic advance in human immunodeficiency virus (HIV) prevention efforts has been the prescription of medications typically used for HIV treatment as prophylaxis against acquiring HIV. As a preventative agent, this practice is referred to as "preexposure prophylaxis" (PrEP). The U.S. Federal Drug Administration approved daily PrEP for adults at risk for HIV who do not consistently use condoms during sex with HIV-infected or unknown-status partners. In this paper, we describe a cognitive-behavioral therapy (CBT) PrEP adherence intervention developed for use in high-risk sexual-minority men in the United States, adapted from "Life-Steps," an evidence-based CBT intervention to promote adherence to HIV treatment...
February 2017: Cognitive and Behavioral Practice
https://www.readbyqxmd.com/read/28385526/sex-difference-in-mouse-hypothalamic-transcriptome-profile-in-stress-induced-depression-model
#13
Bhanu Chandra Karisetty, Nitin Khandelwal, Arvind Kumar, Sumana Chakravarty
The influence of sex on prevalence and presentation of human depression necessitates studying its role in depression. Additionally, stress can also affect the incidence and progression of depressive phenotypes. Hypothalamus is a well-reported sexually dimorphic brain region. Hence, we performed a gene-array to uncover the chronic stress-induced transcriptional changes in the hypothalamus of male, intact female (with ovaries) and ovariectomized female mice. Chronic variable mild stress model was used to induce depression-like behavior in mice, assessed by despair behavior in forced swim test...
May 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28381294/decline-in-hospitalization-for-genital-warts-in-the-veneto-region-after-an-hpv-vaccination-program-an-observational-study
#14
Silvia Cocchio, Tatjana Baldovin, Chiara Bertoncello, Alessandra Buja, Patrizia Furlan, Mario Saia, Vincenzo Baldo
BACKGROUND: Human papillomavirus (HPV) is one of the most common sexually transmitted pathogens. This observational study was conducted to estimate the trend of hospitalization for genital warts (GWs) in the Veneto region (Italy) from 2004 to 2015. METHODS: All patients with GWs were identified in the hospital discharge records of all public and accredited private hospitals that related to Veneto residents and contained the ICD9-CM code 078.11 associated with a genital surgical procedure (vulval/vaginal warts, penile warts and anal warts)...
April 5, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28377228/sexually-dimorphic-changes-of-hypocretin-orexin-in-depression
#15
Jing Lu, Juan Zhao, Rawien Balesar, Rolf Fronczek, Qiong-Bin Zhu, Xue-Yan Wu, Shao-Hua Hu, Ai-Min Bao, Dick F Swaab
BACKGROUND: Neurophysiological and behavioral processes regulated by hypocretin (orexin) are severely affected in depression. However, alterations in hypocretin have so far not been studied in the human brain. We explored the hypocretin system changes in the hypothalamus and cortex in depression from male and female subjects. METHODS: We quantified the differences between depression patients and well-matched controls, in terms of hypothalamic hypocretin-1 immunoreactivity (ir) and hypocretin receptors (Hcrtr-receptors)-mRNA in the anterior cingulate cortex (ACC) and dorsolateral prefrontal cortex...
March 31, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28375576/phylogenetic-evidence-for-underreporting-of-male-to-male-sex-among-human-immunodeficiency-virus-infected-donors-in-the-netherlands-and-flanders
#16
Thijs J van de Laar, Daniela Bezemer, Kristel van Laethem, Giovani Vandewalle, Annie de Smet, Eric van Wijngaerden, Eric C Claas, Ard I van Sighem, Anne-Mieke Vandamme, Veerle Compernolle, Hans L Zaaijer
BACKGROUND: Separate transmission networks for human immunodeficiency virus (HIV) coexist. Molecular typing of viral genomes can provide insight in HIV transmission routes in donors for whom risk behavior-based donor selection failed. STUDY DESIGN AND METHODS: This study includes all HIV-infected Dutch and Flemish donors in the period 2005 to 2014 (n = 55). Part of the HIV polymerase (pol) gene was amplified, sequenced, and compared with more than 10,000 HIV strains obtained from HIV-infected Dutch and Flemish patients...
May 2017: Transfusion
https://www.readbyqxmd.com/read/28374065/prenatal-exposure-to-progesterone-affects-sexual-orientation-in-humans
#17
June M Reinisch, Erik Lykke Mortensen, Stephanie A Sanders
Prenatal sex hormone levels affect physical and behavioral sexual differentiation in animals and humans. Although prenatal hormones are theorized to influence sexual orientation in humans, evidence is sparse. Sexual orientation variables for 34 prenatally progesterone-exposed subjects (17 males and 17 females) were compared to matched controls (M age = 23.2 years). A case-control double-blind design was used drawing on existing data from the US/Denmark Prenatal Development Project. Index cases were exposed to lutocyclin (bioidentical progesterone = C21H30O2; M W : 314...
April 3, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28369080/facial-shape-differences-between-rats-selected-for-tame-and-aggressive-behaviors
#18
Nandini Singh, Frank W Albert, Irina Plyusnina, Lyudmila Trut, Svante Pӓӓbo, Katerina Harvati
Domestication has been consistently accompanied by a suite of traits called the domestication syndrome. These include increased docility, changes in coat coloration, prolonged juvenile behaviors, modified function of adrenal glands and reduced craniofacial dimensions. Wilkins et al recently proposed that the mechanistic factor underlying traits that encompass the domestication syndrome was altered neural crest cell (NCC) development. NCC form the precursors to a large number of tissue types including pigment cells, adrenal glands, teeth and the bones of the face...
2017: PloS One
https://www.readbyqxmd.com/read/28356240/the-annual-american-men-s-internet-survey-of-behaviors-of-men-who-have-sex-with-men-in-the-united-states-2015-key-indicators-report
#19
Maria Zlotorzynska, Patrick Sullivan, Travis Sanchez
The American Men's Internet Survey (AMIS) is an annual Web-based behavioral survey of men who have sex with men (MSM) living in the United States. This Rapid Surveillance Report describes the third cycle of data collection (September 2015 through April 2016; AMIS-2015). The key indicators are the same as previously reported for AMIS (December 2013-May 2014, AMIS-2013; November 2014-April 2015, AMIS-2014). The AMIS survey methodology has not substantively changed since AMIS-2014. MSM were recruited from a variety of websites using banner advertisements and email blasts...
March 25, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28352471/genetic-mapping-of-principal-components-of-canine-pelvic-morphology
#20
Mark J Fealey, Joy Li, Rebel J E Todhunter, Ursula Krotscheck, Kei Hayashi, Marina J McConkey, Adam R Boyko, Jessica J Hayward, Rory J Todhunter
BACKGROUND: Concentrated breeding effort to produce various body structures and behaviors of dogs to suit human demand has inadvertently produced unwanted traits and diseases that accompany the morphological and behavioral phenotypes. We explored the relationship between pelvic conformation and canine hip dysplasia (HD) because purebred dogs which are predisposed, or not, to HD share common morphologic features, respectively. Thirteen unique bilateral anatomical features of the pelvis were measured on 392 dogs of 51 breeds and 95 mixed breed dogs...
2017: Canine Genetics and Epidemiology
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