The Centers for Medicare and Medicaid Services says it will cover screening and counseling for obesity as a free preventive service for Medicare beneficiaries. M. Spencer Green/AP hide caption

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Triage nurses screen patients in the ER waiting room at the University of Chicago Medical Center in Chicago in late 2010. Patients in Chicago were among those least satisfied with their hospital care. M. Spencer Green/AP hide caption

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Medicare beneficiaries who want to switch drug plans will have to make a decision earlier than usual this year.

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Whoa! Medicare Administrator Donald Berwick now qualifies for Medicare, a first for a sitting head of the federal health program. J. David Ake/AP hide caption

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