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Sexual behavior in humans

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https://www.readbyqxmd.com/read/29784276/associations-of-drug-use-violence-and-depressive-symptoms-with-sexual-risk-behaviors-among-women-with-alcohol-misuse
#1
Kristen Lee, Heidi E Hutton, Catherine R Lesko, Anne K Monroe, Anika Alvanzo, Mary E McCaul, Geetanjali Chander
BACKGROUND: Alcohol misuse is associated with increased human immunodeficiency virus sexual risk behaviors by women. Drug use, intimate partner violence (IPV), and depressive symptoms frequently co-occur, are well-recognized alcohol misuse comorbidities, and may interact to increase risk behaviors. Using a syndemic framework we examined associations between drug use, IPV, and depressive symptoms and sexual risk behaviors by 400 women with alcohol misuse attending an urban sexually transmitted infections clinic...
May 18, 2018: Women's Health Issues: Official Publication of the Jacobs Institute of Women's Health
https://www.readbyqxmd.com/read/29777397/telomeres-and-telomerase-during-human-papillomavirus-induced-carcinogenesis
#2
REVIEW
Anna Pańczyszyn, Ewa Boniewska-Bernacka, Grzegorz Głąb
Human papillomaviruses (HPVs) belong to a small spherical virus family and are transmitted through direct contact, most often through sexual behavior. More than 200 types of HPV are known, a dozen or so of which are classified as high-risk viruses (HR HPV) and may contribute to the development of cervical cancer. HPV is a small virus with a capsid composed of L1 and L2 proteins, which are crucial for entry to the cell. The infection begins at the basal cell layer and progresses to involve cells from higher layers of the cervical epithelium...
May 18, 2018: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/29767781/adolescent-condom-use-and-connectivity-in-the-social-planful-brain
#3
Justin D Caouette, Karen A Hudson, Angela D Bryan, Sarah W Feldstein Ewing
Objective: To reduce rates of sexually transmitted infections (STIs) and unwanted pregnancy among adolescents, it is critical to investigate brain connectivity that may underlie adolescents' sexual health decision-making in the context of intercourse. This study explored relationships between adolescent condom use frequency and the brain's resting-state functional connectivity, to identify differential patterns of social-affective processing among sexually active youth. Methods: In this study, N = 143 sexually active adolescents (68...
May 14, 2018: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/29767714/comparing-postnatal-development-of-gonadal-hormones-and-associated-social-behaviors-in-rats-mice-and-humans
#4
Margaret R Bell
Postnatal development includes dramatic changes in gonadal hormones and the many social behaviors they help regulate, both in rodents and humans. Parental care-seeking is the most salient social interaction in neonates and infants, play and pro-social behaviors are commonly studied in juveniles, and the development of aggression and sexual behavior begins in peripubertal stages but continues through late adolescence into adulthood. While parental behaviors are shown after reproductive success in adulthood, alloparenting behaviors are actually high in juveniles as well...
May 14, 2018: Endocrinology
https://www.readbyqxmd.com/read/29765310/economic-holobiont-influence-of-parasites-microbiota-and-chemosignals-on-economic-behavior
#5
Petr Houdek
The article is a perspective on utilization of microorganisms and chemosignals in studying human economic behavior. Research in biological roots of economic development has already confirmed that parasitic pressure influenced the creation and development of cultural norms and institutions. However, other effects of microorganisms on human groups and individual decision-making and behavior are heavily understudied. The perspective discusses how parasitic infections, sexually transmitted organisms and microbiota (i...
2018: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/29753605/assessing-university-students-sexual-risk-behaviors-as-predictors-of-human-papillomavirus-hpv-vaccine-uptake-behavior
#6
Rebecca L Rohde, Eric Adjei Boakye, Kara M Christopher, Christian J Geneus, Ronald J Walker, Mark A Varvares, Nosayaba Osazuwa-Peters
OBJECTIVES: There exists a significant gap in vaccine coverage of the human papillomavirus (HPV) among college-aged students. This study assessed sexual risk-taking behavior among university students and analyzed predictors of HPV vaccine initiation and completion in this population. MATERIALS AND METHODS: Data (n = 746) were from an anonymous online, cross-sectional survey distributed to university students, between the ages of 19-26 years, at a private Midwestern university...
May 9, 2018: Vaccine
https://www.readbyqxmd.com/read/29752749/preliminary-evidence-that-androgen-signaling-is-correlated-with-men-s-everyday-language
#7
Jennifer S Mascaro, Kelly E Rentscher, Patrick D Hackett, Adriana Lori, Alana Darcher, James K Rilling, Matthias R Mehl
OBJECTIVES: Testosterone (T) has an integral, albeit complex, relationship with social behavior, especially in the domains of aggression and competition. However, examining this relationship in humans is challenging given the often covert and subtle nature of human aggression and status-seeking. The present study aimed to investigate whether T levels and genetic polymorphisms in the AR gene are associated with social behavior assessed via natural language use. METHODS: We used unobtrusive, behavioral, real-world ambulatory assessments of men in partnered heterosexual relationships to examine the relationship between plasma T levels, variation in the androgen receptor (AR) gene, and spontaneous, everyday language in three interpersonal contexts: with romantic partners, with co-workers, and with their children...
May 11, 2018: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29750773/missed-opportunities-for-human-immunodeficiency-virus-and-syphilis-testing-among-men-who-have-sex-with-men-in-china-a-cross-sectional-study
#8
Jason J Ong, Hongyun Fu, Stephen Pan, M Kumi Smith, Dan Wu, Chongyi Wei, Bolin Cao, Wei Ma, Ligang Yang, Weiming Tang, Joseph D Tucker
BACKGROUND: Men who have sex with men (MSM) are at high risk of human immunodeficiency virus (HIV)/syphilis. To inform strategies for dual testing, we describe patterns of HIV/syphilis testing, and examine factors associated with never testing for HIV/syphilis in China. METHODS: An online survey (2016) was completed by MSM from 8 cities: men born biologically male, 16 years or older, and had sex with another man at least once during their lifetime. Demographic, sexual behavioral, and HIV/syphilis testing data were collected...
June 2018: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/29749310/biological-and-psychological-influences-of-cross-sex-hormone-in-transgender
#9
Ling Shiao Ling, Hatta Sidi, Raja Adam Raja Lope, Srijit Das, Azlin Baharudin
Transgender is a complex state of bio-psycho-social dimension of human sexuality. It encompasses cognitive-emotional-behavior component that makes the person unique in his or her sexual expression. Transgender tend to use cross sex hormone in order to eradicate their secondary sexual characteristics and to facilitate the shift to their experienced gender. The common masculinising sex hormone use, i.e. Female to Male Treatment Options (FMTO) is testosterone and for feminising hormone i.e. Male to Female Treatment Options (MFTO) is a combination of estrogen with anti-androgen, respectively...
May 11, 2018: Current Drug Targets
https://www.readbyqxmd.com/read/29746181/examining-heterosexual-women-s-anal-sexual-health-knowledge-and-product-use
#10
Kimberly R McBride
Prevalence rates indicate that receptive anal sex is increasingly part of heterosexual women's sexual repertoire. However, there is a body of literature linking this behavior to risk for adverse sexual health outcomes. Women's anal sexual health knowledge and awareness of behaviors associated with elevated risk have received less attention in the research literature. The aim of the current study was to examine anal sexual health knowledge and product use among heterosexual women aged 18 to 30 years. A total of 33 self-identified heterosexual women recruited from the general population participated in one of six focus groups...
May 10, 2018: Journal of Sex Research
https://www.readbyqxmd.com/read/29735814/oral-sex-related-knowledge-and-oral-sex-behavior-among-homosexual-and-heterosexual-men-in-belgrade-a-cross-sectional-study
#11
Milan D Bjekic, Sandra B Sipetic-Grujicic, Hristina D Vlajinac, Aleksandra M Nikolic
Background: Although the risk of sexually transmitted infections is far greater during vaginal and anal sex than during oral sex, increasing practice of oral sex and low rates of barrier method use will probably increase the relative importance of oral sex as a route of transmission for genital pathogens. Aims: The aim of this study was to evaluate knowledge and attitudes about oral sex and sexually transmitted infections, as well as oral sex practices, both among heterosexuals and homosexual men and to compare those two groups...
May 2, 2018: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/29732937/factors-of-the-epidemiological-triad-that-influence-the-persistence-of-human-papilloma-virus-infection-in-women-with-systemic-lupus-erythematosus
#12
S Méndez-Martínez, M García-Carrasco, E A Jiménez-Herrera, C Mendoza-Pinto, I Etchegaray-Morales, P W Barahona-Rubio, J L Gálvez-Romero, P Munguía-Realpozo, C O Muñóz-Guarneros, M L Cedillo-Ramírez, S E Silva-Gómez, G Linares-Fleites, A Rojas-Vallaraga
We studied the epidemiologic triad-related factors influencing human papilloma virus (HPV) persistence in Mexican women with systemic lupus erythematosus (SLE). Patients aged ≥18 years with SLE (American College of Rheumatology criteria), with and without HPV persistence, were selected. Groups were analyzed by (1) host: clinical disease characteristics; (2) agent: (I) infectious (prevalence, incidence, HPV genotype and co-infections (≥2 HPV genotypes or mycoplasmas)), (II) chemical (contraceptives and immunosuppressive drugs) and (III) physical (vitamin D deficiency) and (3) environment...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29729394/neural-correlates-of-gender-differences-in-distractibility-by-sexual-stimuli
#13
J Strahler, O Kruse, S Wehrum-Osinsky, T Klucken, R Stark
Attentional interference control is a prominent feature of human cognition. To what extent sexual stimuli attract attention and interfere with cognitive tasks has still little been studied. Our study aimed to identify associations between attentional interference, sexual arousal, trait sexual motivation, and neural activity to sexual distractors while accounting for gender differences. Therefore, the present study examined the neural correlates of attentional interference by arousing sexual distractors using functional magnetic resonance imaging (fMRI)...
May 2, 2018: NeuroImage
https://www.readbyqxmd.com/read/29721723/olfactory-function-relates-to-sexual-experience-in-adults
#14
Johanna Bendas, Thomas Hummel, Ilona Croy
The olfactory system contributes significantly to human social behavior and especially to mate choice and empathic functioning. In this context, previous research examining individuals with impaired olfactory function indicated an influence of the sense of smell on different aspects of sexuality. However, the applied samples, methods, and results are diverse and an involvement of confounding factors, such as breathing problems, depression or social insecurity cannot be ruled out. The present study examined the potential correlation between odor threshold in healthy participants and their sexual desire, sexual experience, and sexual performance...
May 2, 2018: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/29719049/are-olfactory-traits-in-a-pair-bonded-primate-under-sexual-selection-an-evaluation-of-sexual-dimorphism-in-aotus-nancymaae
#15
Andrea Spence-Aizenberg, Lawrence E Williams, Eduardo Fernandez-Duque
OBJECTIVES: Sexual selection has seemingly influenced chemical communication in numerous non-human primates, although it is unclear whether it has influenced strictly pair-living and pair-bonded taxa. The physical similarities between male and female owl monkeys suggest that disruptive selection has not played a role in this taxon. However, given their nocturnality, olfactory traits may show differing patterns of sexual selection than visual traits. If sexual selection has influenced chemical communication in owl monkeys, we expect larger scent glands and greater scent-marking in females given the high degree of paternal care, as has been proposed for callitrichines...
May 2, 2018: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/29708352/-anogenital-hpv-infection-as-the-potential-risk-factor-for-oropharyngeal-carcinoma
#16
Borek Sehnal, Tomáš Podlešák, Emanuela Kmoníčková, Monika Nipčová, Daniel Driák, Jiří Sláma, Michal Zikán
BACKGROUND: Human papillomavirus (HPV) can cause cervical, other genital, anal, head, and neck cancers. The incidence of oropharyngeal squamous cell carcinoma (OSCC), the head and neck cancer most commonly caused by HPV infection, is increasing. The prevalence of oral HPV infections is considerably lower than that of genital HPV infections; however, infection of both sites is strongly associated with sexual behavior. Although the natural histories of cervical and oral HPV infections do not markedly differ, the virus seems to rarely infect oral and genital sites simultaneously...
2018: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29707127/risk-of-sexual-transmitted-infection-following-bipolar-disorder-a-nationwide-population-based-cohort-study
#17
Shyh-Chyang Lee, Chang-Kuo Hu, Jeng-Hsiu Hung, Albert C Yang, Shih-Jen Tsai, Min-Wei Huang, Li-Yu Hu, Cheng-Che Shen
Background: Bipolar disorder is a severe mental disorder associated with functional and cognitive impairment. Numerous studies have investigated associations between sexually transmitted infections (STIs) and psychiatric illnesses. However, the results of these studies are controversial. Objective: We explored the association between bipolar disorder and the subsequent development of STIs, including human immunodeficiency virus infection; primary, secondary, and latent syphilis; genital warts; gonorrhea; chlamydial infection; and trichomoniasis...
April 3, 2018: Oncotarget
https://www.readbyqxmd.com/read/29681871/handgrip-strength-as-a-darwinian-fitness-indicator-in-men
#18
REVIEW
Andrew C Gallup, Bernhard Fink
Handgrip strength (HGS) is a robust measure of overall muscular strength and function, and has long been predictive of a multitude of health factors and physical outcomes for both men and women. The fact that HGS represents such a ubiquitous measure of health and vitality may reflect the significance of this trait during human evolution. This trait is also highly sexually dimorphic due to influences of androgenic hormones and fat-free body mass, suggesting that it has been further elaborated through sexual selection...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29668597/hiv-syphilis-and-behavioral-risk-factors-among-men-who-have-sex-with-men-in-a-drug-using-area-of-southwestern-china-results-of-3-cross-sectional-surveys-from-2013-to-2015
#19
Lan Guanghua, Chen Yi, Tang Shuai, Shen Zhiyong, Tang Zhenzhu, Ruan Yuhua, Mohammed Adnan Yousuf, Fan Wensheng
To assess human immunodeficiency virus (HIV), syphilis, and behavioral risk factors among men who have sex with men (MSM) in southwestern China, where HIV started as a drug-driven epidemic, and shifted to mainly heterosexual transmission.These cross-sectional studies were conducted yearly in 2013, 2014, and 2015 in Guangxi, China. A total of 1,996, 1,965, and 1,697 participants were recruited in 2013, 2014, and 2015, respectively. The data included demographic and sexual behavioral variables. Other variables included individuals who used illegal drugs, and who received HIV counseling, testing, and free condoms, and peer education...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29652958/-hpv-vaccine-implementation-in-chile-an-appraisal-from-the-social-determinants-of-health-model
#20
Loreto Fernández González
Cervical cancer is the fourth most common neoplasm in women worldwide and its incidence is associated with profound social inequities. In Chile, it is the second cause of death in women of reproductive age. The Chilean clinical guideline identifies the vaccine against Human Papillomavirus (HPV) as the main preventive measure. Since 2014, the Ministry of Health has implemented free immunization against HPV for girls and female adolescents. This article critically analyzes this public policy from the viewpoint of health equity, using as framework the Social Determinants of Health Model...
December 2017: Revista Médica de Chile
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