Breast Cancer - Diet

Breast Cancer Again Linked to Animal Fat
Intake of animal fat, especially from red meat and high-fat dairy products, during premenopausal years is associated with an increased risk of breast cancer, according to a report in the Journal of the National Cancer Institute. Harvard researchers conducted a prospective analysis of 90,655 premenopausal women aged 26 to 46 enrolled in the Nurses’ Health Study II using food-frequency questionnaires. Because an increased risk was not associated with eating vegetable fats, researchers hypothesize that other components of meat, such as hormones or carcinogens that develop during cooking, may be to blame.

Cho E, Spiegelman D, Hunter DJ, et al. Premenopausal fat intake and risk of breast cancer. J Natl Cancer Inst. 2003;95:1079-85.

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