Lack of access to quality medical care remains a major factor in higher breast cancer death rates among African-Americans. Deborah Jaffe/Getty Images hide caption

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Deborah Jaffe/Getty Images

Following up a mammogram with an ultrasound exam can find more cancers. But the additional test can also find more false positives that aren't cancer at all. F. Astier/Centre Hospitalier Regional/Science Source hide caption

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F. Astier/Centre Hospitalier Regional/Science Source

Family medical histories are used to figure out whether it is worthwhile for a woman to be tested for BRCA genetic mutations, which increase the risk of breast and ovarian cancer. Andrew Brookes/Cultura RF/Getty Images hide caption

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By testing tumors, researchers hoped to identify women who could avoid chemotherapy without increasing their risk of a cancer recurrence. Voisin/Phanie/Science Source hide caption

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Voisin/Phanie/Science Source

Study Of Breast Cancer Treatment Reveals Paradox Of Precision Medicine

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Arnaldo Silva with his daughter Vanessa at StoryCorps. StoryCorps hide caption

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StoryCorps

For Dad And Daughter Fighting Breast Cancer, Grit Runs In The Family

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Breasts deemed "dense" in a mammogram tend to have less fatty tissue and more connective tissue, breast ducts and glands, doctors say. About 40 percent of women between the ages of 40 and 74 have dense breasts. Lester Lefkowitz/Getty Images hide caption

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Lester Lefkowitz/Getty Images

When Erika Stallings was 22, she found out that she might have a genetic mutation that greatly increased her risk of cancer. Misha Friedman for NPR hide caption

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Misha Friedman for NPR

More People Seek Genetic Testing, But There Aren't Enough Counselors

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Bad Luck Or Bad Genes? Dealing With BRCA And 'A Cancer In The Family'

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Maria Fabrizio for NPR

When Men Get Breast Cancer, They Enter A World Of Pink

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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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Morgan McCloy/NPR

A Diet High In Fiber May Help Protect Against Breast Cancer

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