If you're a gazelle, you don't have a very complex emotional life, despite being a social species. But primates are just smart enough that they can think their bodies into working differently. It's not until you get to primates that you get things that look like depression.

I think the relationship between social-dominance orientation in people and the extent to which they're made uncomfortable by ambiguity and novelty is really important. Better a stable world that's familiar, in which I'm doing pretty poorly, than dealing with all the ambiguity of a changing world.

The United States has the biggest discrepancy in health and longevity between our wealthiest and our poorest of any country on Earth.

Robert Sapolsky Quotes