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Health News Archive 560 - Breast Cancer
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Soy Consumption in Youth Reduces Breast Cancer Risk

Asian-American women who frequently consumed soy during childhood, adolescence, and adulthood reduced their risk of developing breast cancer, according to recent findings.* The strongest anti-cancer effect was associated with soy consumption between the ages of 5 and 11.

Scientists studied 597 American women of Chinese, Japanese, and Filipino descent with breast cancer. Women whose soy intake during adolescence and adulthood was in the top third of all subjects had a 25% lower risk of developing breast cancer than those whose intake was in the lowest third. Women who consumed the most soy during childhood had a 58% lower risk.

“Hormonal exposures in adulthood, such as use of estrogen and progesterone replacement therapy, are established breast cancer risk factors,” the scientists noted. “However, a growing body of evidence suggests that hormonally related exposures early in life may also modify susceptibility to breast cancer.”

Source: Available at: http://www.nlm.nih.gov/medlineplus/news/fullstory_41260.html.  Accessed December 11, 2006.
Reprinted with exclusive permission of Life Extension.

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