032 Dr. Charles Ryan: The Virility Paradox, the Influence of Testosterone on Bodies and Minds by Ruwando published on 2018-11-27T14:45:51Z Dr. Charles Ryan is an oncologist and the author of one of my favorite books of the year, The Virility Paradox. We ground from abstract principles around “masculinity” in science, and derive some actionable items from understanding Testosterone and behavior. Genre Learning