Andrew Gross Published: April 11, 2020 Revised: April 20, 2020 Brian Earp is associate director of ethics and health at Yale University and an anti-circumcision activist. In 2018 he led a study that produced startling results about American men's knowledge of circumcision and penile anatomy. Earp reported that the results showed an inverse correlation between knowledge and satisfaction. In other words, the more satisfied a man was about circumcision, the greater the likelihoo