Influence of lifestyle on breast cancer risk among women with normal body weight

In this large prospective study (data from the UK Biobank cohort), a high healthy lifestyle index (HLI), which is composed of good diet quality, low consumption of alcoholic beverages, no smoking, moderate to high physical activity, and waist circumference < 80 cm was associated with a reduced risk of breast cancer among postmenopausal women. The authors concluded that following a healthy lifestyle may reduce the risk of breast cancer among normal weight postmenopausal women. The results of this study show that it is important to consider not just one but several modifiable lifestyle habits when evaluating the risk of a multifactorial disease such as breast cancer.

Source: Peila R, Arthur RS, Dannenberg AJ, Rohan TE. Association of a Healthy Lifestyle Index with Risk of Breast Cancer among Women with Normal Body Mass Index in the UK Biobank. Cancer Epidemiol Biomarkers Prev. 2021 Dec 21. doi: 10.1158/1055-9965.EPI-21-0765. Epub ahead of print. PMID: 34933955.

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