Health care delivery is expected to change, with more care provided by nurse practitioners and fewer people having a doctor for life. Images.com/Corbis hide caption

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University of Maryland's Jaydev Desai shows off a prototype of a robot that he and colleagues are developing to minimize harm to patients during brain surgery. John T. Consoli/University of Maryland hide caption

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Tapas Mukherjee shot this asthma education video in a field near his home. Tapas Mukherjee/YouTube hide caption

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The image on the left is a piece of lung tissue that contains a tumor viewed under normal white light. The right image shows the same piece of tissue after Tumor Paint has been applied. Here it's viewed under infrared light. Areas that are more red and yellow show a concentration of the paint, which means they are more likely to be cancerous. Courtesy of Julie Novak/Blaze Bioscience hide caption

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Why Painting Tumors Could Make Brain Surgeons Better
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Here's an evidence-based test with no dangerous side effects. But some common orthopedic treatments don't work. Selim Ucar/CAM/iStockphoto.com hide caption

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I think I see the problem. iStockphoto.com hide caption

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After A Decade, Congress Moves To Fix Doctors' Medicare Pay
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Pregnant doctors are less likely than other women to deliver their babies via C-section, recent research suggests. Economists say that may be because the physician patients feel more empowered to question the obstetrician. iStockphoto.com hide caption

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Money May Be Motivating Doctors To Do More C-Sections
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We know you'd rather skip the fasting and bowel prep. But that's the way we've always done it. iStockphoto.com hide caption

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Redefining Cancer To Reduce Unnecessary Treatment
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