Modern comforts promise ease, yet a growing body of research suggests our bodies are still tuned for a very different world. Instead of thriving, many of us are developing chronic illnesses, fertility ...

Sara Imari Walker receives funding from the National Aeronautics and Space Administration and the John Templeton Foundation relevant to the work in this article. She is also a member of the External ...

Suicide. Depression. Anxiety. Medication. Psychiatric hospitalizations. The signs are everywhere. Across the industrialized world, urban and rural, east and west, our mental states seem to only get ...