Author(s): Zahoor ul Haq Bhat, Jaseem ul Rashid and Showkat Bashir Lone

Abstract:
Breast cancer is the most commonly diagnosed invasive malignancy and the second leading cause of cancer death in women. As per the literature available there is a low risk of cancer among physically active women as compared to the least active women. The associations were strongest for recreational activity, for activity sustained over the lifetime or done after menopause, and for activity that is of moderate to vigorous intensity and performed regularly. There is also some evidence for a stronger effect of physical activity amongst postmenopausal women, women who are normal weight, have no family history of breast cancer, and are parous. It is likely that physical activity is associated with decreased breast cancer risk via multiple interrelated biologic pathways that may involve adiposity, sex hormones, insulin resistance, adipokines, and chronic inflammation.

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