Below you’ll find some of the most interesting finds from last month’s sexuality research. This will be our last post in this feature for a while.
Extraverts More Likely to Cheat
Source: Allen MS, Walter EE
Findings: Researchers examined 137 existing studies to determine how the Big Five personality traits (openness to experience, conscientiousness, extraversion, agreeableness, and neuroticism) affect sexuality. They found that while people who were more extroverted were more likely to commit infidelities, people with the conscientious personality type were less likely to cheat, and those who were neurotic experienced less sexual satisfaction.
10% of Americans Accepting of Having an Affair, While 2/3 of Americans Accepting of Homosexual Relationships
Findings: Gallup’s recent Moral Issues Survey found that American views on sexuality continue to become more liberal. Specifically speaking, 67% of respondents were accepting of same-sex relationships (more than a 50% increase from 2001), 76% of divorce, and 43% of abortion. A majority of people also reported accepting views of having a baby outside of marriage, sex before marriage, and stem-cell research, which is actually greater than the 43% of people who viewed porn extremely favorably.
Men Experience Inexplicable Sadness After Sex
Source: Joel Maczkowiack, Robert D Schweitzer
Findings: A team from the Queensland University of Technology studied 1,208 men to determine if any of them suffered from inexplicable sadness after sex, also known as postcoital dysphoria (PCD), which has previously been recorded in some women. 41% of participants reported ever experiencing postcoital dysphoria while 20% of the men had experienced sadness after sex in the last month. Up to 4% of participants regularly experienced PCD.
Extraverts Have More, Better Sex
Source: Velten J, Brailovskaia J, Margraf J
Findings: Another study of 964 couples compared the Big Five personality traits as well as levels of sexual inhibition and excitation of both partners to sexual satisfaction and function. Like previous studies, this one found that people who were more extroverted were likely to have more sex and increased sexual function. Scientists used the Big Five Inventory and Sexual Excitation/Sexual Inhibition Inventory for Women and Men to determine personality traits to compare results with the Female Sexual Function Index and the International Index of Erectile Function. They also looked at how partner personality traits affected sexual function and satisfaction.
Ebola Virus Can Remain in Semen for 2.5 Years
Source: Stephen M. Bart, Courtney Cohen, John M. Dye, James Shorter, and Paul Bates
Findings: A study of men found that protein fragments, called amyloid fibrils, provide protection for the Ebola virus, allowing it to remain in semen for up to 2.6 years. During that time, the virus can be transmitted to a partner through sexual activity. Since the 2014 Ebola outbreak, the virus has continued to spread in Guinea through sexual interactions. Amyloids, which are also found in the gut, serve a similar function with HIV.
Men Became More Aggressive As Women Reject Sexual Advances
Source: Jacqueline Woerner Antonia Abbey Sheri E. Pegram Breanne R. Helmers
Findings: A sample of 62 men between the ages of 21 and 29 years were recruited from a local university to participate in a study where they were assigned to drink either an alcoholic beverage or soda. Participants were instructed to participate in four virtual dates and to act like they would on a real date. The men could choose how they interact from a script of responses, which included the ability to move closer and hostile comments such as threatening to end the relationship or insulting the women.
Women in the simulation responded positively to low-level physical activities such as kissing and back massage and may respond to more sexual requests as the simulation progressed. However, they would sometimes refuse sexual advances. After five rejections in response to the man’s attempt to become closer, a date would end.
Men participated in four of these virtual dates, during which the participants received between 2 and 20 rejections. Scientists found that men became more likely to select hostile responses to the virtual women who rejected them, even if they had not been drinking.
Viagra May Be Linked to Skin Cancer
Source: Eugene Shkolyar, Shufeng L, Jean Tang, Michael L. Eisenberg
Findings: Phosphodiesterase Type 5 inhibitors (PDE5is) such as Viagra are typically used to treat erectile dysfunction. Researchers looked into reports of melanoma that coincided with PDE5is prescriptions. The investigation highlighted 610,881 patients who were prescribed an erectile aid, of whom 636 developed melanomas. Scientist found a correlation between PDE5i use and melanoma. An association was also found between these drugs and basal cell carcinoma and squamous cell carcinoma. However, they did not find this association to be “clinically relevant.”
Cheaters Less Likely To Use Condoms for Anal Sex
Source: Levine EC, Herbenick D, Martinez O, Fu TC, Dodge B
Findings: A study that compared sexual orientation, race and relationship models (monogamous versus nonmonogamous) found that bisexuals and non-Hispanic blacks were more likely to engage in nonconsensual nonmonogamy ie having multiple sexual relationships without permission of sexual partners (8% of people in relationships engaged in NCNM). The study also found that gay and lesbian participants (32% and 5%, respectively) were less likely to be in monogamous relationships than straight participants (8%). Straight men and women engaged in nonconsensual nonmonogamy at similar rates.
Respondents in open relationships were the most likely to use condoms for sexual activities and to get tested for STIs. More people used condoms during anal sex than vaginal sex among all three groups. However, people engaging in nonconsensual nonmonogamy were the least likely to use condoms for anal sex than any other group.
Medical Students Fail at Sexual Health Knowledge
1/3 of Medical Students Consider Porn to Be Sex Ed
Source: Warner C, Carlson S, Crichlow R, Ross MW
Findings: 1,014 medical students responded to a 32-question survey administered by the University of Minnesota Program in Human Sexuality to determine their knowledge about sexual health. Students answered an average of 66% of the questions correctly, which equates to a failing grade. Furthermore, students failed in 4 out of 6 question categories. Of the six categories, students performed the best on questions about sexuality over the lifespan and the worst for questions about safety and prevention.
Of the participants, only 20% reported having ever learned about sexuality in medical school. 7% of medical students reported never learning about sexuality in medical school. Each year of medical school did correspond to an increase in test scores (3.22 ± 0.37% per year). Allopathic medical students were likely to have significantly higher scores than osteopathic students. Students had better scores if they had taken classes dedicates specifically to sexuality rather than as part of other classes.
The study also inquired about forms of sex education prior to medical school. 1/3 of respondents considered porn viewing to be a form of sex ed.
Despite an average failing grade, 41% of participants rated their sex education in medical school as “excellent.” Only 24.55% of participants found their medical school sex education to be poor or inadequate.
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