Dr. Justin Lehmiller received his Ph.D. in Social Psychology from Purdue University. He is a Research Fellow at The Kinsey Institute and author of the book Tell Me What You Want: The Science of Sexual Desire and How It Can Help You Improve Your Sex Life. Dr. Lehmiller is an award-winning educator, having been honored three times with the Certificate of Teaching Excellence from Harvard University, where he taught for several years.
November 26, 2025 by Emily Mendelson
Recently, we covered a new study assessing how trends in masturbation have changed over time. This research found that, across gender, the number of people who report having masturbated before has increased, although men are more likely to have done it than women. We know that there are a number of different health benefits to...
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November 20, 2025 by Merissa Prine
If you’re a dedicated reader or listener of Sex and Psychology, you probably already know that we love talking about masturbation, including its history, its common misconceptions, and its many...
Gender, Sex Ed
November 13, 2025 by Emily Mendelson
We are excited to announce that our study abroad program with Sexual Health Alliance is back for 2026! We will be returning to Amsterdam once again, but we’re also offering...
Sex Ed
November 10, 2025 by Merissa Prine
As daylight hours shorten and the weather turns colder, it’s possible that you may have noticed a shift in your overall mood, or that you feel more tired, unmotivated, and...
Psychology
October 29, 2025 by Emily Mendelson
Despite the fact that nearly half of the population worldwide will experience menstruation at least once in their lives, we know surprisingly little about what the effects of menstruation actually...
Books & Films, Gender
October 23, 2025 by Merissa Prine
Polycystic ovary syndrome (PCOS) is one of the most common hormonal disorders affecting women of reproductive age. In fact, the World Health Organization has stated that PCOS affects up to...
Sex Ed
October 15, 2025 by Emily Mendelson
In this post, we’re going to cover a topic that combines two things we’ve previously covered before on the blog: the rise in sexual choking and relationship content on TikTok....
Safe Sex, Sex Ed
Discover what the largest survey of sexual fantasies in America tells us about the erotic mind – and how to have a healthier, hotter sex life.
Take a deep dive into the psychology of sex and relationships. This is the sex ed you never got in school – and won’t get anywhere else.
