In treating schizophrenia, a balancing act between drug and talk therapy

More than 2 million Americans have schizophrenia, a chronic brain disorder that can causes hallucinations, delusions, memory problems and depression. A new landmark study finds that high levels of potent antipsychotic drugs is not as effective a treatment as lower doses combined with therapy and support. Gwen Ifill talks to Dr. Robert Heinssen of the National Institute of Mental Health.
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