Almost half of high-schoolers have had sexual intercourse, but teens almost never ask their doctors about sexual health. Nicole Young/iStockphoto hide caption

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British pharmaceuticals giant GlaxoSmithKline is pledging to revamp its relationships with doctors. Sang Tan/AP hide caption

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Dr. Tim Ihrig, a palliative care physician, treats Augie Avelleyra, 93, at his home in Fort Dodge, Iowa. Courtesy of Paula Avelleyra hide caption

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Doctor Helps Iowa Couple Face Illness On Their Own Terms
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Susan Shargel, an insurance broker in San Francisco, says she's seeing health insurance plans offer fewer doctor and hospital options. Pauline Bartolone hide caption

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To Curb Costs, New California Health Plans Trim Care Choices
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An anatomical drawing shows the ligaments on the outside surface of the knee. The anterolateral ligament connects the thigh bone to the shinbone. Courtesy of University Hospitals Leuven hide caption

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New York University's Langone Medical Center in New York City is considered in-network for relatively few of the health plans offered in the state marketplace. Glen Argov/Landov hide caption

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So You Found An Exchange Plan. But Can You Find A Provider?
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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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