Recent research indicates that fewer pregnancies, a diet high in fat and therapies that alter a woman's estrogen level are much more significant in the development of breast cancer than one of the more common families of farm chemicals Breast cancer is a devastating disease. The average lifetime risk for a North American woman who lives to age 85 was one in nine in 1994 and continues to increase, this is up from 1960 when only one in 20 women developed breast cancer, says Dr. Len Ritter, executive director of the Canadian Network of Toxicology Centres.
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