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Walking with the unknown

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Rita Smith, 59, of Mason Neck, Va., is once again able to enjoy one of her favorite activities -- walking her dogs -- now that she's been treated for peripheral arterial disease. (Courtesy of Rita Smith)

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Most Americans are unaware that leg aches and the inability to walk long distances may be something much more serious than aging. Peripheral Arterial Disease, a major red flag for heart attacks and strokes, is largely unheard of, especially to women, according to a recent American Heart Association study.