Angst: Origins of Anxiety and Depression

Some twenty percent of us are afflicted with common anxiety and depressive disorders--not just brief bouts of nervousness or sorrow, but painful dysfunctions without obvious benefit. Why do so many people suffer from angst? In this path-breaking volume, engagingly written for the general public, psychiatrist Jeffrey Kahn reveals that angst ultimately results from our transformation, over tens of thousands of years, from biologically shaped, almost herd-like prehistoric tribes, to rational a...