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Justin Lehmiller, Ph.D.

Justin Lehmiller, Ph.D. is a Research Fellow at The Kinsey Institute and author of the blog Sex and Psychology. His latest book is Tell Me What You Want: The Science of Sexual Desire and How It Can Help You Improve Your Sex Life.
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Latest from Justin Lehmiller, Ph.D.

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How Many Dates Should You Wait to Have Sex?

Is there really a "right time" to sleep with a new partner?

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How Common Are Foot Fetishes, and Why Do People Have Them?

You'd be surprised by how much of the population is into feet.

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Why People With Great Sex Lives Are More Likely to Cheat

Social psychologist Justin Lehmiller, Ph.D., explores the reasons why sexually satisfied men and women sometimes can’t help themselves.

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There's Science That Explains Why Women Fantasize About Rough Sex

It's one of the most common sexual fantasies. Here's why.

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Why Do So Many Men Send Unsolicited Dick Pics?

A sex researcher explains the creepy behavior.

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The Reason Some Doctors Argue Men Should Get Circumcised

A new paper claims men should get circumcised to help stop the spread of STDs.

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Daily Expert: What it Means if You're Really Into MILF Porn

We asked a sex researcher to explain what makes moms so alluring to men.

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Yes, You Can Have Hot Sex in A Long-Term Relationship

New research reveals the secrets are greater intimacy and stronger communication

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Daily Expert: This Mindfulness Technique Will Enhance Your Sex Life

Tuning out distractions can help treat erectile dysfunction and other sexual problems.

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Fortnite Is Now One of the Top Searches on PornHub

Pornhub recently released a report about the most popular porn search terms of 2018, and Fortnite ranked 15th. Sex researcher Justin Lehmiller explains why games are so frequently fetishized.

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The Truth About How Porn Affects Your Sex Life

Is porn addictive? Does it cause penis problems? Here’s what the research really shows

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