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An hour a day of walking may cut breast cancer risk

2016-01-26T16:44:26+00:00October 8th, 2013|Cancer, Exercise|

“Women who walk for an hour a day can cut their chance of breast cancer by 14%,” The Guardian reports. A new study has found that even moderate regular exercise is associated with lower risk of cancer. This US cancer prevention study involved over 73,000 postmenopausal women who were tracked for 17 years. During this time 6% of the women developed breast cancer. The researchers then looked back to see whether reported time spent walking, sitting or in recreational physical activity was linked to risk of developing breast cancer. The researchers found that the most physically active women had 25% reduced cancer risk compared to the least active. Nearly half the women in the study said walking was their only form of exercise. And for these women, those who walked seven or more hours a week had reduced risk, estimated to be around 14% compared to those who walked three or less hours. The link persisted even with adjustment for other hormonal factors and body mass index (BMI) or weight gain. The study does not prove that exercise alone is directly responsible for the decreased risk, as other lifestyle factors may be involved. For example, women who do regularly exercise may also adopt other healthy lifestyle choices such as eating a healthy diet. Nevertheless, walking as a form of exercise is accessible, free and good for the heart and for weight control. So the finding that it may also protect against breast cancer is welcome news. Read more about the [...]