Maribel Ramos, 13, has both sickle cell disease and an abnormality of blood vessels called moyamoya. Both put her at risk of stroke, and, together, they add up to a 95 percent chance of a major stroke. Richard Knox/NPR hide caption

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As Childhood Strokes Increase, Surgeons Aim To Reduce Risks

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Before filling one of these tubes with blood for a cholesterol test, you're supposed to keep your stomach empty. But that may not be necessary. Nancy Louie/iStockphoto.com hide caption

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This gentleman may want to have a chat with his cardiologist. Bill Losh/Getty Creative Images hide caption

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Members of the online community Track Your Plaque get advice from a doctor and each other on how to cook low carb meals. iStockphoto.com hide caption

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Pedometer, an app, keeps track of your steps, distance traveled and calories burned. Benjamin Morris/NPR hide caption

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When Does An App Need FDA's Blessing?

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Hugo Campos' implantable cardioverter-defibrillator was a mystery to him. So he decided to ask his doctor for access to the data. He made this image with one of his own X-rays. Hugo Campos hide caption

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Patients Crusade For Access To Their Medical Device Data

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Katherine Leon says she spends up to 12 hours a day online interacting with others who share her rare heart condition. Emily Bogle/NPR hide caption

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Patients Find Each Other Online To Jump-Start Medical Research

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Becky Cole was eight months pregnant with her son Ryan when she passed out. Her husband performed CPR for six minutes with the help of a dispatcher before medics arrived. Courtesy of Medic One Foundation hide caption

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Dispatchers' CPR Coaching Saves Lives When Every Minute Counts

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Karlton Hill, 15, was diagnosed with diabetes when he was 12. He works hard to manage the disease: He jogs and does pushups every day; he takes metformin is very careful about what he eats. Leslie Capo/LSU Health Sciences Center hide caption

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A Dire Sign Of The Obesity Epidemic: Teen Diabetes Soaring, Study Finds

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