Sex at Dawn

How We Mate, Why We Stray, and What It Means for Modern Relationships

By Cacilda Jetha; Christopher Ryan
(Harper Perennial, Paperback, 9780061707810, 402pp.)

Publication Date: July 2011

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In this controversial, thought-provoking, and brilliant book, renegade thinkers Christopher Ryan and Cacilda Jetha debunk almost everything we know about sex, weaving together convergent, frequently overlooked evidence from anthropology, archaeology, primatology, anatomy, and psychosexuality to show how far from human nature monogamy really is. In Sex at Dawn, the authors expose the ancient roots of human sexuality while pointing toward a more optimistic future illuminated by our innate capacities for love, cooperation, and generosity.

About the Author
Cacilda Jetha, MD, is a practicing psychiatrist. She lives in Barcelona, Spain.

Christopher Ryan, PhD, is a research psychologist. He li

Christopher Ryan, PhD, is a research psychologist. He lives in Barcelona, Spain. ves in Barcelona, Spain.

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