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Sleep characteristics and breast cancer

Press release issued: 13 February 2019

Dr Rebecca Richmond presented a poster at the National Cancer Research Institute which attracted a large amount of media interest, with Rebecca featuring in various TV and radio appearances.

The study was investigating whether the way people sleep can contribute to the development of breast cancer. This study used genetic data from women enrolled in the UK Biobank and Breast Cancer Association Consortium (BCAC) to apply a Mendelian randomization approach. Preliminary findings showed that women who are ‘larks’, functioning better at the beginning of the day then the end, have a lower risk of breast cancer. Read the University press release (Women who are 'larks' have a lower risk of developing breast cancer), or read the Sky News report (Women chirpiest in the morning less likely to develop breast cancer - study. Scientists at the University of Bristol find those with a morning preference are 40% to 48% less at risk of breast cancer).

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