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Exercise and Risk of Breast Cancer. Regular exercise reduced the risk of breast cancer by: 33% in moderately fit women 55% in highly fit women compared to low-fit women in this large prospective study. n=14,811 16-year study. 100. 0.67. Breast cancer mortality (RR). 0.45.
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Exercise and Risk of Breast Cancer • Regular exercise reduced the risk of breast cancer by: • 33% in moderately fit women • 55% in highly fit women compared to low-fit women in this large prospective study. n=14,81116-year study 100 0.67 Breast cancer mortality (RR) 0.45 Fitness Level Medicine & Science in Sports & Exercise. 2009;41:742-748.