ACTA's Steven McGuire interviews Carole Hooven, whose book titled T: The Story of Testosterone, the Hormone that Dominates and Divides Us, was published in 2021. Hooven is currently an associate at Harvard University and a nonresident senior fellow at the American Enterprise Institute, where she works on issues related to sex and gender, human evolutionary biology, health, and psychology — as well as the underpinnings of academic freedom in higher education.