08/09/2009 05:12 am ET Updated Nov 17, 2011

Stop Positive Thinking, Study Says

In the past 50 years, people with mental problems have spent untold millions of hours in therapists' offices, and millions more reading self-help books, trying to turn negative thoughts like "I never do anything right" into positive ones like "I can succeed." For many people -- including well-educated, highly trained therapists, for whom "cognitive restructuring" is a central goal -- the very definition of psychotherapy is the process of changing self-defeating attitudes into constructive ones.

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