23% of breast cancer cases in the UK are preventable.
Breast cancer is associated with a number of risk factors.[2-4]
Breast Cancer Risk Factors
|Increases risk||Decreases risk|
|'Sufficient' or 'convincing' evidence||
|'Limited' or 'Probable' evidence||
International Agency for Research on Cancer (IARC) and World Cancer Research Fund/American Institute for Cancer Research (WCRF/AICR) classifications.
a IARC classification does not specify menopausal status, WCRF/AICR classifies evidence on alcoholic drinks as convincing for post-menopausal and probable for pre-menopausal breast cancer; b Post-menopausal breast cancer only; c Pre-menopausal breast cancer only; d IARC classifies evidence on body fatness in males as limited; e Includes vigorous, occupational, recreational, walking, and household activity.
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- Brown KF, Rumgay H, Dunlop C, et al. The fraction of cancer attributable to known risk factors in England, Wales, Scotland, Northern Ireland, and the UK overall in 2015. British Journal of Cancer.
- International Agency for Research on Cancer. List of Classifications by cancer sites with sufficient or limited evidence in humans, Volumes 1 to 118*. Accessed June 2017.
- Lauby-Secretan B, Scoccianti C, Loomis D, et al. Body Fatness and Cancer--Viewpoint of the IARC Working Group. N Engl J Med. 2016 Aug 25;375(8):794-8.
- World Cancer Research Fund / American Institute for Cancer Research. Continuous Update Project Findings & Reports. Accessed June 2017.