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Older women who exercise may be less likely than their inactive peers to develop breast cancer.
Women who biked or walked for more than an hour each day had a 19% reduction in their odds of developing breast cancer.
Physical activity is one of the few modifiable, protective factors for breast cancer and there are many other important health-related.
Existing evidence indicates that postmenopausal women who exercise 1 hour each day can significantly cut their breast cancer risk; 75% of breast cancer cases occur in postmenopausal women.
Physical activity has many other health benefits, as being active can help your overall health. Particularly, it decreases the risk for heart disease -- a disease that affects women much more often than breast cancer.
Cancer September 15, 2001;92:1638-1649
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