Robert Sapolsky on Stress, Depression & Human Nature

Hi, everyone, I had the great pleasure of speaking with Robert Sapolsky — one of the world's leading neuroscientists and primatologists. A professor at Stanford University, Sapolsky has spent decades studying stress, primate behavior, and the biology of human nature. His university lectures have been viewed by millions of people around the world, helping a global audience better understand why we behave the way we do.

In this conversation, we explore some of the biggest questions about what makes us human. We begin with depression, discussing why it is a serious biological disease rather than simply an extreme form of sadness, and how scientific understanding of depression has evolved over the past two decades. Sapolsky explains the roles of genetics, early-life trauma, epigenetics, and rumination in shaping one of the world's most devastating mental illnesses.

We then turn to stress, one of the defining themes of Sapolsky's scientific career. Drawing on more than three decades of studying wild baboons in East Africa, he explains how social support protects us against stress-related disease and why humans and baboons respond to psychological stress in remarkably similar ways.

If you're interested in these subjects, you can check out our conversation: https://www.youtube.com/watch?v=u5eoTDqpkHw&t=201s

Posted Jul 27, 2026, 7:18 AM UTC

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