1. American Cancer Society. Breast cancer facts & figures 2017–2018. Atlanta: American Cancer Society, Inc.2017.
https://www.cancer.org/content/dam/cancer-org/research/cancer-facts-andstatistics/breast-cancer-facts-andfigures/breast-cancer-facts-and-figures-2017-2018
. pdf. Accessed 20 Sept 2018
2. National Cancer Institute (NCI). Research on Causes of Cancer, 2015. Available from
https://www.cancer.gov/research/areas/causes
Accessed 20 Sept 2018
3. World Health Organization (WHO). Cancer, 2018.
http://www.who.int/news
room/fact-sheets/detail/cancer. Accessed 20 Sept 2018
4. Cecchini RS, Costantino JP, Cauley JA et al (2012) Body mass index and the risk for developing invasive breast cancer among high-risk women in NSABP P-1 and STAR breast cancer prevention trials. Cancer Prev Res 5:583–592.
https://doi.org/10.1158/1940-6207.CAPR-11-0482
5. Cancer Research UK. Definite breast cancer risks. N.D. Available from
http://cancerhelp.cancerresearchuk.org/type/breast-cancer/about/risks/definite-breast-cancer-risks#weight
. Accessed 5 July 2019