Disease Prevention

Exercise reduces blood estrogens, risk of postmenopausal breast cancer

Published in Women's Health Weekly, May 6th, 2004

Three hours of moderate exercise per week significantly reduced circulating estrogens in postmenopausal women participating in a study. The finding may explain why women who exercise regularly lower their risk for breast cancer.

"Exercise is an effective way for postmenopausal women to increase their chances of avoiding breast cancer," said Anne McTiernan, MD, PhD, a member of the Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington.

McTiernan led a year-long study that examined differences between women who exercised regularly and women who limited their activity to stretching. The study targeted...

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Source: Women's Health Weekly (2004-05-06)

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