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Sex at Dawn

How we mate, why we stray, and what it means for modern relationships

By Christopher Ryan and Cacilda Jethá
16-minute read
Audio available
Sex at Dawn: How we mate, why we stray, and what it means for modern relationships by Christopher Ryan and Cacilda Jethá

Sex At Dawn argues that the idealization of monogamy in Western societies is essentially incompatible with human nature. The book makes a compelling case for our innately promiscuous nature by exploring the history and evolution of human sexuality, with a strong focus on our primate ancestors and the invention of agriculture. Arguing that our distorted view of sexuality ruins our health and keeps us from being happy, Sex At Dawn explains how returning to a more casual approach to sex could benefit interpersonal relationships and societies in general.

  • Anyone who wants to know what kind of sex life is intrinsic to human nature
  • Anyone who has experienced the strains of preserving monogamy over time, and wonders how lifelong relationships can work out
  • Anyone interested in biology and evolutionary psychology

Christopher Ryan is an author and journalist with a PhD in Psychology, who has lived in Alaska, Mexico, India and Spain. Indian-Portuguese co-author Cacilda Jethá M.D. is a physician and psychiatrist. Ryan and Jethá have been married for years and have chosen not to reveal any personal details about their sex life.


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