| http://www.w3.org/ns/prov#value | - Physical activity provides many health benefits, including weight loss and maintenance, improved insulin sensitivity, and improved lipid profile.1 Physical activity has been shown to decrease circulating estrogen levels in postmenopausal women,2,3 and lower circulating estrogen levels are associated with lower breast cancer risk.4- 7 Many prospective studies have investigated the association betwe
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