Although fewer than 6 percent of American adults will have a severe mental illness in a given year, according to a 2005 study, many more—more than a quarter each year—will have some diagnosable mental disorder. That’s a lot of people. Almost 50 percent of Americans (46.4 percent to be exact) will have a diagnosable mental illness in their lifetimes, based on the previous edition, the DSM-IV. And the new manual will likely make it even "easier" to get a diagnosis. If we think of having a diagnosable mental illness as being under a tent, the tent seems pretty big. Huge,...
