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Gut Microbes Linked to Estrogen Breakdown
Postmenopausal women with a more diverse population of gut bacteria may be more efficient at breaking down estrogen, a new study suggests. Because estrogen plays a role in causing breast cancer, researchers speculate a healthy bacterial population may lower the risk for cancer.
“[T]he composition and diversity of the intestinal microbiota were associated with patterns of estrogen metabolism that are predictive of the risk of breast cancer in postmenopausal women,” Barbara J. Fuhrman, PhD, from the Department of Epidemiology, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, and colleagues write in an article published online September 11 in the Journal of Clinical Endocrinology and Metabolism.
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