A recent report found that 85 percent of people who see doctors regularly have undiagnosed and uncontrolled high blood pressure. Joe Raedle/Getty Images hide caption

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For athletes and nonathletes alike, stretching to keep muscles limber may help prevent cramping later in life. Ian Stewart/AP hide caption

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In response to reports of cars unexpectedly surging forward, researchers set up some experiments to study the problem. The results were somewhat surprising. iStockphoto.com hide caption

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Despite public health messages about exercise and eating healthfully, many children are acquiring what used to be considered "adult diseases," like diabetes and high blood pressure. M. Spencer Green/AP hide caption

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