Irving Kirsch

If doctors just spent more time with their patients so they felt more reassured, that might help.

Depression comes back over time in about 90 percent of people on antidepressants. Studies show that relapses are far less common when people are treated with psychotherapy.

There seem to be many causes of depression. One cause is profound loss, grief. Economic hardship we know is linked to depression. We don't have a full picture.