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About Dr. Lehmiller

Meet The Sex Dr.

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.

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From the Blog

Why Polycystic Ovary Syndrome Has a New Name

May 20, 2026 by Merissa Prine

For years, millions of women have lived with a condition whose name never fully captured their lived experiences. The term “polycystic ovary syndrome” (PCOS) has long been criticized for being misleading, incomplete, and overly focused on the presence of cysts on the ovaries (a symptom that is not actually reflective of the condition). After years...

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Why Polycystic Ovary Syndrome Has a New Name
Exploring Mutual Masturbation
Exploring Mutual Masturbation

May 13, 2026 by Emily Mendelson

May is International Masturbation Month, so let’s talk about the science of self-pleasure. You can read our blog from 2022 to learn about the history of Masturbation May, and you...

Dating & Relationships
Study Abroad With Me in Berlin and Copenhagen!
Study Abroad With Me in Berlin and Copenhagen!

May 7, 2026 by Merissa Prine

To understand sexuality, you have to understand culture. And to understand culture, it really helps to experience it firsthand. We are excited to announce new course opportunities for our study...

Sex Ed
Research Refresh: Are We Any Closer To A Male Birth Control Pill?
Research Refresh: Are We Any Closer To A Male Birth Control Pill?

April 29, 2026 by Emily Mendelson

When it comes to contraception, the burden almost always falls on women to prevent pregnancy. While women have various options for birth control (including the pill, the patch, IUDs, hormone...

Safe Sex, Sex Q&A
What Is Alexithymia, And How Is It Impacting Your Sex Life?
What Is Alexithymia, And How Is It Impacting Your Sex Life?

April 22, 2026 by Merissa Prine

Most people will struggle occasionally when it comes to identifying their feelings or communicating them effectively to others. That’s a normal experience. However, some people have a chronic, disrupted sense...

Psychology
The Firefly Journey: Gender and Sexuality Exploration Later in Life
The Firefly Journey: Gender and Sexuality Exploration Later in Life

April 15, 2026 by Emily Mendelson

This year at the SPSP Sexuality Pre-Conference, a project that stood out to me was Dr. Mallory Hanfling’s project on “fireflies,” or people who learn about their gender and/or sexuality...

Gender, LGBTQIA+
Can Cannabis Improve Your Sex Life?
Can Cannabis Improve Your Sex Life?

April 8, 2026 by Merissa Prine

April 20th is popularly known as 4/20 Day. It’s an unofficial holiday celebrating all things cannabis. This is going to be a hot topic of conversation this month, so let’s...

Potpourri
Tell Me What You Want

Tell Me What You Want

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.

Sex and Psychology Podcast

Sex and Psychology Podcast

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.

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