This week, hosts Mark Masselli and Margaret Flinter speak with Daniel Wolfson, CEO of the ABIM Foundation of the American Board of Internal Medicine, five years into their "Choosing Wisely" campaign, which seeks to minimize waste in health care. Mr. Wolfson discusses the growing number of medical entities in 20 countries now committed to reducing unnecessary prescriptions, diagnostic tests and elective procedures that not only add billions of dollars to health care costs but lead to patient harm as well.

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