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These fiber-rich foods altogether offer about 28.5 grams, or a woman's daily recommended intake. Clockwise from top left: one pear, 6 grams of fiber; medium artichoke, 7 grams; 1 ounce of popcorn, 3.5 grams; 1 medium sweet potato, 4 grams; 1 cup edamame, 8 grams. Morgan McCloy/NPR hide caption

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Fear of cancer's return may be driving women with an early diagnosis of breast cancer to have one or both breasts removed, though research shows milder treatment is just as effective. Jose Luis Pelaez/Getty Images hide caption

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In a study of 1.3 million women, ages 40 to 74, having a false positive on a screening mammogram was associated with a slightly increased chance that the woman would eventually develop breast cancer. The extra risk seemed to be independent of the density of her breasts. Lester Lefkowitz/Getty Images hide caption

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Maria Fabrizio for NPR

For decades, black women faced lower risk of being diagnosed with breast cancer than did white women. ColorBlind Images/Blend Image/Corbis hide caption

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A woman's health history and tolerance for different kinds of risks should have a legitimate role in determining the timing of when she starts and stops getting screening mammograms, some leading doctors say. Sally Elford/Ikon Images/Getty Images hide caption

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The American Cancer Society has pushed back the age at which most women should begin having mammograms to 45. iStockphoto hide caption

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Although false alarms are not at all unusual when it comes to mammograms, they can cause women much anxiety. Doctors are thinking about ways to ease those fears. iStockphoto hide caption

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Ductal carcinoma in situ sometimes can turn into invasive breast cancer, but there's currently no test that can tell when it's dangerous and when it's not. Steve Gschmeissner/Science Photo Library/Corbis hide caption

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