A series of recent studies confirms that all is not well inside our heads (see "Toxic Culture," www.adbusters.org/magazine/36). In the most intensive study done on changing rates of depression, an international team led by Myrna Weissman of Columbia University found that depression is becoming both more common and more severe, and is striking at an earlier age. In the US, mood disorders have doubled since World War II; if current global trends continue, mental illness will be more prevalent than heart disease by 2020.
Source: Kalle, Lasn. "Ad Spending Predicted for Steady Decline," Adbusters. January/February 2003.