Social and Dietary Changes Associated with Obesity and Breast Cancer Risk

Women’s dietary behaviour and physical activity have changed as they have entered the workplace in developed and developing countries around the world. Women now manage dual roles, one at work and one at home, resulting in less time for traditional meal preparation and housekeeping, and hence less physical activity. Technological innovations such as kitchen gadgets and other labour-saving devices have also eliminated much of the strenuous physical activity associated with performing household chores. As a result of these social changes, there has been a transition in dietary behaviour and physical activity. Specifically, many women now lead more sedentary lifestyles and eat higher calorie diets than ever before, which in turn is fuelling the obesity epidemic—one of the risk factors for many diseases, such as diabetes and probably breast cancer, now one of the most prevalent cancers among women. This paper describes the epidemiology of breast cancer and the probable role of physical inactivity, diet and obesity in its development.

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