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Testosterone: The Story of the Hormone that Dominates and Divides Us *Hardcover* Children's Issues in School Books Jaime and CSince antiquityfrom the eunuchs in the royal courts of ancient China to the booming market for elixirs of youth in nineteenth century Europehumans have understood that typically masculine behavior depends on testicles, the main source of testosterone in males. Which sex has the highest rates of physical violence, hunger for status, and desire for a high number of sex partners? Just follow the testosterone. Although we humans can study and reflect on