Are human beings made for monogamy or non-monogamy? This is a popular subject of debate. While some argue that humans evolved for monogamy in order to ensure parental investment in our offspring, others argue that humans evolved to be non-monogamous because it increases the odds of reproductive success and genetic diversity in our species. So which is it? That’s what we’re going to be talking about today. I am joined by Nathan Lents, a Professor of Biology at John Jay College, where he is the director of the Cell and Molecular Biology program. His research lab studies human genetic evolution and forensic DNA technology. He also writes popular science articles and is the author of the new book The Sexual Evolution: How 500 Millions Years of Sex, Gender, and Mating Shape Modern Relationships. Some of the specific topics we explore include: What’s the difference between social monogamy and sexual monogamy? How common are social and sexual monogamy in both humans and animals, and how often do they overlap? Can research on other primates shed light on how human mating strategies evolved? Can someone’s brain chemistry predispose them to being monogamous or non-monogamous? You can check out Nathan’s website to learn more about his work. Got a sex question? Send me a podcast voicemail to have it answered on a future episode at speakpipe.com/sexandpsychology. *** Thank you to our sponsors! Load Boost is a supplement designed to improve the taste, volume, and overall health of your semen. If you want to elevate your sexual performance, check out Load Boost from VB Health. Visit loadboost.com to learn more and save 10% with code JUSTIN. Passionate about building a career in sexuality? Check out the Sexual Health Alliance. With SHA, you’ll connect with world-class experts and join an engaged community of sexuality professionals from around the world. Visit SexualHealthAlliance.com and start building the sexuality career of your dreams today. *** Want to learn more about Sex and Psychology? Click here for previous articles or follow the blog on Facebook, Twitter, or Bluesky to receive updates. You can also follow Dr. Lehmiller on YouTube and Instagram. Listen and stream all episodes on Apple, Spotify, Google, or Amazon. Subscribe to automatically receive new episodes and please rate and review the podcast! Credits: Precision Podcasting (Podcast editing) and Shutterstock/Florian (Music). Image created with Canva; photos used with permission of guest.

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