What is the role of obesity in the etiology of breast cancer?

Updated: Sep 23, 2020
  • Author: Pavani Chalasani, MD, MPH; Chief Editor: John V Kiluk, MD, FACS  more...
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Answer

Increased risk of postmenopausal breast cancer has been consistently associated with the following:

  • Adult weight gain of 20-25 kg above body weight at age 18 [52, 53]

  • Western dietary pattern (high energy content in the form of animal fats and refined carbohydrates)

  • Sedentary lifestyle

  • Regular, moderate consumption of alcohol (3-5 alcoholic beverages per week)


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