Justin Lehmiller
Social psychologist, sex researcher, pinball wizard. Kinsey Institute Research Fellow. Author of the blog Sex & Psychology. Published in VICE, Playboy, & NY Mag
Last synced from Twitter 21d ago
Having more sex makes early menopause less likely, research finds
Hannah Devlin - the Guardian 6d 2 tweets
Study of nearly 3,000 women suggests body may ‘choose’ not to invest in ovulation
1
Justin Lehmiller "The findings suggest that if a woman is not having sex – and there is no chance of pregnancy – the body might 'choose' not to invest in ovulation." RT : Having more sex makes early menopause less likely, research finds 6d
The Least Germy Way to Have Sex When You’re Sick
Medium 7d 1 tweets
Kissing style, positions, and locations matter
1
Justin Lehmiller Sick and horny? Here are scientists' tips for the safest ways to engage sexually when you're feeling under the weather. 7d
There's Science That Explains Why Women Fantasize About Rough Sex
Men's Health 9d 1 tweets
It's one of the most common sexual fantasies. Here's why.
1
Justin Lehmiller A common trigger for rough sex among men is having been separated from one’s partner, as well as suspecting that one’s partner may have cheated. Why is that? Scientists believe there may be an evolutionary explanation: sperm competition. 9d
Why Gay Men Often Fetishize Straight Men
Vice 10d 1 tweets
‘Straight Guys’ was the most-viewed category on Pornhub’s gay site in 2018. Here are some expert theories on why.
1
Justin Lehmiller The appeal of “straight guy” porn may not really be about gay men finding heterosexual men to be inherently erotic; rather it may stem from the fact that this type of porn is often about power and control, which is a very popular sexual interest. 10d
PsycNET
Psycnet.apa.org 231d 4 tweets
1
Justin Lehmiller Despite what you may have learned in your social psychology course, bystanders often intervene. MT : cross-national video dataset from three countries finds that in 9 of 10 public conflicts, at least 1 bystander (typically several) will help. 11d
The American Journal of Public Health (AJPH) from the American Public Health Association (APHA) publications
American Public Health Association (APHA) publications 976d 709 tweets
American Journal of Public Health (AJPH) from the American Public Health Association (APHA)
2
Justin Lehmiller "The movement to declare pornography a public health crisis is rooted in an ideology that is antithetical to many core values of public health promotion and is a political stunt, not reflective of best available evidence." 11d
Does the mate-switching hypothesis explain female infidelity? – David Buss | Aeon Essays
Aeon 833d 11 tweets
Evolutionary theory says men stray to increase offspring, but what motivates women? Enter the mate-switching hypothesis
1
Justin Lehmiller "Evolution did not design humans for lifelong matrimonial bliss...Modern humans have descended from successful ancestors who carried mate insurance; who devoted energy to...the cognitive simulations of fantasizing about possible mates." 14d
Why Rough Sex is Arousing to So Many People
Sex And Psychology 15d 2 tweets
Rough sex is one of the most popular sexual fantasies . While it’s a common fantasy theme across genders, it is especially common among women. As I discuss in my book Tell Me What You Want, women are more likely to report having had most kinds...
2
Justin Lehmiller When asked to compare their rough sex experiences to “typical sex,” men and women alike reported that it tended to be more arousing and that their orgasms were more intense. Women also reported reaching orgasm faster. 14d
NEUROENDOCRINE AND CARDIOVASCULAR RESPONSE TO SEXUAL AROUSAL AND ORGASM IN MEN
Sciencedirect.com 25d 2 tweets
Data regarding the neuroendocrine response pattern to sexual arousal and orgasm in man are inconsistent. In this study, ten healthy male volunteers we…
1
Justin Lehmiller RT : Porn/Masturbation as "addictive because dopamine" is fake science. Dopamine does not increase at orgasm from masturbation in replicated experiments in men and women in their blood or CSF. 18d
Serial neurochemical measurement of cerebrospinal fluid during the human sexual response cycle
Wiley Online Library 25d 2 tweets
Recent studies examining the neuroendocrine response pattern underlying the human sexual response cycle revealed transient activation of the sympathoadrenal system and a substantial, long‐lasting inc...
1
Justin Lehmiller RT : Porn/Masturbation as "addictive because dopamine" is fake science. Dopamine does not increase at orgasm from masturbation in replicated experiments in men and women in their blood or CSF. 18d
The Journal of Sex Research
Taylor & Francis 18d 1 tweets
1
Justin Lehmiller Looking to catch up on the latest porn science? Here you go! RT : Issue 1 #JSexResearch of 2020 is now online, with a focus on articles on #pornography and #consent 18d
Status Boosts Men’s Attraction to Beautiful Women
Psychology Today 23d 2 tweets
A new study examined the effects of status and beauty on women’s attractiveness.
1
Justin Lehmiller "While the status of the moderately attractive women did not affect men’s attraction to them, higher status boosted men’s attraction to highly attractive women." 19d
Stamping Out Online Sex Trafficking May Have Pushed It Underground
Nytimes.com 34d 5 tweets
A change in a law to hold tech platforms accountable had almost universal support in Congress last year. Now, some are revisiting their decision.
1
Justin Lehmiller The unintended (but totally foreseeable) effects of FOSTA: Law enforcement officials say that it is sometimes more difficult to track traffickers, because the law pushed them further underground. Advocates say that sex workers now face higher safety risks 21d
Nine Things Science Taught Us About Sex In 2019
Sex And Psychology 21d 4 tweets
2019 has been memorable for a lot of reasons—including what science taught us about sex. Here’s a quick recap of some of the most interesting things we learned about sex this year.  1. One in five people in North America say they’ve been in a...
1
Justin Lehmiller The number of Americans who identify as bisexual has tripled in the last decade, 1 in 5 people in North America have been in an open relationship, women who use marijuana before sex report better orgasms--and other things we learned about sex this year 21d
Justin Lehmiller Nine Things Science Taught Us About Sex In 2019 22d
1
Justin Lehmiller The year in sex part 3: What did we learn about sex in 2019? Here's a roundup of some of the most interesting scientific findings, from the psychology of dick pics to what your emoji use says about your sex life. Happy New Year! #yearinreview 20d
Eye tracking study finds sexually fluid women assess other females’ bodies in a manner similar to men
Eric W. Dolan - PsyPost 24d 2 tweets
Women who are flexible in their sexual attraction have gaze patterns that are similar to heterosexual men when viewing a nude female body, according to ...
1
Justin Lehmiller RT : "women who were fluid in their sexual interests scanned women’s bodies in a similar way to men; they spent more time looking at the breasts of the female stimuli" study: 22d
PsycNET
Psycnet.apa.org 139d 3 tweets
1
Justin Lehmiller RT : "women who were fluid in their sexual interests scanned women’s bodies in a similar way to men; they spent more time looking at the breasts of the female stimuli" study: 22d
Opinion: Placenta-Eating Went Mainstream When Many Doctors Stopped Listening
NPR.org 22d 1 tweets
Preparers of pills made from placental tissue have gained online momentum, claiming to support each new mom in her slog to recovery. A historian traces the trend to a mother's need to be heard.
Justin Lehmiller "The boom in placentophagy highlights a long-standing puzzle for researchers. Almost every nonhuman mammal consumes its placenta after delivery for reasons that remain unclear to scientists. Why did humans become the exception to this...mammalian rule?" 22d
Graduate Certificate
Sexual and Reproductive Health 23d 1 tweets
Contains information concerning the School of Public Health Graduate Certificate in Sexual and Reproductive Health
Mate Preferences for Warmth-Trustworthiness Predict Romantic Attraction in the Early Stages of Mate Selection and Satisfaction in Ongoing Relationships - Katherine A. Valentine, Norman P. Li, Andrea L. Meltzer, Ming-Hong Tsai, 2019
SAGE Journals 220d 3 tweets
People seek warm and trustworthy individuals as long-term mates for numerous reasons. Indeed, such individuals are prone to cooperation, have strong parenting s...
Justin Lehmiller When it comes to warmth and trustworthiness, we know what we want in a potential romantic partner. RT : "recent research suggesting that people can accurately report their romantic-partner preferences" 23d
Most of Us Have a “Type” When It Comes to Romantic Relationships
Kinseyinstitute.org 23d 1 tweets
Most of Us Have a “Type” When It Comes to Romantic Relationships