Published: Thu, November 08, 2018
Medical | By

Early birds may have lower breast cancer risk, study finds

Early birds may have lower breast cancer risk, study finds

Women who are "morning people" are less likely to develop breast cancer than those who are sharpest in the evening, a study suggests. People tend to be genetically programmed to fall into either of these categories. She passionately expressed that the walk assists in recognizing that "we need a cure for this and we need women to be more diligent about checking themselves and going for mammograms". A person's body clock, or circadian rhythm, could lower their risk for breast cancer a study has found.

If the study passes peer review, it will show convincing evidence linking body clock to breast cancer risk but it does not explain why this link exists in the first place. And obesity is set to become the leading preventable cause of breast cancer for women in the United Kingdom, according to a report from earlier this year.

"In other words, it may not be the case that changing your habits changes your risk of breast cancer; it may be more complex than that", she noted.

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And this is involved in breast cancer?

The participants included 180,215 women enrolled with the UK Biobank project - a large long-term study which includes genomic data on about half a million people - and 228,951 women who had been part of a study on breast cancer carried out by the global Breast Cancer Association Consortium (BCAC), which has the largest collection of genetic data on women with breast cancer in the world.


Researchers from the University of Bristol have analysed the link between sleeping patterns and breast cancer in women.

"We know already that night shift work is associated with worse mental and physical health". Researchers then mapped the genetic variations between the earlier risers and the night owls and compared it with that to the risk of developing cancer.

Their findings were presented at the 2018 National Cancer Research Institute (NCRI) conference in Glasgow.

The team concluded that the study shows consistent evidence for a protective effect of morning preference, and suggestive evidence for an adverse effect of sleep duration on breast cancer risk.

Dipender Gill, of Imperial College London, said: "Although informative and interesting, this study alone does not warrant any action other than further investigation - people should not be changing their sleep patterns based on the evidence presented here".

About the NCRI Cancer ConferenceThe NCRI Cancer Conference is the UK's largest forum showcasing the latest advances in cancer research.

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