Have you thought about getting a PET scanner? iStockphoto.com hide caption

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To reduce errors by doctors in training, medical educators have capped how long they can work. But enforcing the limits can be a challenge. iStockphoto hide caption

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Researchers find that more than 40 percent of surgical complications happen after patients leave the hospital. iStockphoto.com hide caption

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Students at Georgetown University School of Medicine prepare to meet with an actor playing a patient in an exam room in March. Kevin Wolf/AP hide caption

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In Washington's Columbia Heights neighborhood, Claire Robertson, a grad student, talks with Scott Hensley about retail health clinics. David Schultz/NPR hide caption

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