FORCE's eXamining the Relevance of Articles for You (XRAY) program looks behind the headlines of cancer news to help you understand what the research means for you.
XRAY is a reliable source of hereditary cancer research-related news and information.
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Categories Prevention, Screening
Relevance: Medium


Strength of Science: Medium


Research Timeline: Human Research


Study : Aerobic exercise lowers estrogen levels in premenopausal women at high risk for breast cancer
Most relevant for: High risk women with a BRCA mutation or a close relative with a BRCA mutation
Many treatments that lower estrogen levels also reduce breast cancer risk. Unfortunately, these treatments are also associated with negative side effects. A recent study looked at the effect of regular aerobic exercise on the estrogen levels of women who are at high risk for breast cancer. (11/14/2015)
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Relevance: Medium


Strength of Science: Medium-Low


Research Timeline: Human Research


Study : Breastfeeding may reduce hormone receptor negative breast cancer risk
Most relevant for: Women who are pregnant or have just given birth and are deciding about breastfeeding
Previous studies have shown that women who breastfeed have a reduced breast cancer risk. This study examines this association in the different breast cancer subtypes (ER, PR, HER2 negative/positive) and finds that breastfeeding is associated with a reduced risk of ER-/PR- breast cancer. (11/16/2015)
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