Greed: Hormones and Moral Behavior

As part of our Science and the Seven Deadly Sins series, Dr. Paul Zak discusses his work studying the relation of hormones to human behavior. Specifically, his research focuses on oxytocin's role in regulating generosity and greed.

For an interview with Dr. Zak about the crisis in confidence in psychology, science communication, and how to differentiate between sound science and pseudoscience, click here.