Breast cancer (BC) is the most prevalent malignancy throughout the world, particularly in developing countries. 1 Among Iranians, BC is the third leading cause of death. 2 Therefore, the identification of modifiable risk factors contributing to this cancer is of high priority. Several modifiable risk factors including overweight or obesity, 3 diet, 4-6 physical inactivity 7 and prolonged steroid hormones exposure 8 have been associated with BC. Non-modifiable risk factors such as increasing age 9 positive family history of BC, 10 and reproductive factors are also related to BC. 9 Among dietary factors, high intakes of fruits, vegetables, 11 poultry 12 and low intakes of processed meats, 13 and fried foods 14,15 alcohol use, 16 were related to a decreased odds of BC. All above-mentioned food items are components of healthy dietary patterns such as the Dietary Approaches to Stop Hypertension (DASH) diet and the Mediterranean diet. A