Depression’s Upside – Is there an evolutionary purpose to feeling really sad? from the NYTimes

Depression’s Upside – NYTimes Magazine  “For some unknown reason, the modern human mind is tilted toward sadness and, as we’ve now come to think, needs drugs to rescue itself. The alternative, of course, is that depression has a secret purpose and our medical interventions are making a bad situation even worse. Like a fever that helps the immune system fight off infection — increased body temperature sends white blood cells into overdrive — depression might be an unpleasant yet adaptive response to affliction.”