Vigorous Activity Protects Against Breast Cancer
 

Normal-weight women who carry out lots of vigorous exercise are approximately 30% less likely to develop breast cancer than those who don't exercise vigorously. A study of more than thirty thousand postmenopausal American women, reported in BioMed Central's open access journal Breast Cancer Research, has revealed that a sedentary lifestyle can be a risk factor for the disease - even in women who are not overweight.

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