Exercise Associated with Reduced Risk of Breast Cancer in African-American Women

Regular exercise, including brisk walking, is associated with a decrease in the incidence of breast cancer in African-American women. In a study published in the journal Cancer Epidemiology, Biomarkers & Prevention, researchers from Boston University's Slone Epidemiology Center found strong evidence linking physical exercise to a lower rate of breast cancer in African-American women, a group in which previous evidence has been lacking.

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Postmenopausal Breast Cancer Risk Decreases Rapidly After Starting Regular Physical Activity

Postmenopausal women who in the past four years had undertaken regular physical activity equivalent to at least four hours of walking per week had a lower risk for invasive breast cancer compared with women who exercised less during those four years, according to data published in the journal Cancer Epidemiology, Biomarkers & Prevention.

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Bone Drugs May Not Protect Osteoporotic Women From Breast Cancer

Osteoporosis drugs known as bisphosphonates may not protect women from breast cancer as had been thought, according to a new study led by researchers at UC San Francisco (UCSF).

The drugs' protective effect was widely assumed after several observational studies showed that women who took them were less likely to get breast cancer.

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How Breast Cancer Usurps the Powers of Mammary Stem Cells

During pregnancy, certain hormones trigger specialized mammary stem cells to create milk-producing cells essential to lactation. Now scientists at the University of California, San Diego School of Medicine and Moores Cancer Center have found that mammary stem cells associated with the pregnant mammary gland are related to stem cells found in breast cancer.

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